os – narrow ridge of gravel and sand (esker) also orifice.or – a conjunction used to indicate an alternative also a tincture in heraldry.oo – a rare Hawaiian bird (pronounced "oh-oh") also a Scottish word for "wool".on – a preposition meaning "above and in contact with".om – a mystic syllable used by Hindus and Buddhists in various religious rites.oi – a cry of joy (whee) also a sub-genre of punk music.oh – an interjection indicating surprise.od – an alleged power used to produce mesmerism also the husband of Freya in Norse mythology.Ob – a river in Siberia (one of the largest rivers in the world).nu – a letter in the Greek alphabet also (with initial capital) the god of the ocean in Egyptian mythology also (with initial capital) an ethnic minority in China.is also an abbreviation of the word "number" also a Classical Japanese musical drama. no – not any also a general negative response no.né – born with the name of (the male form of " née").my – first person singular possessive adjective.mu – a letter in the Greek alphabet also (with initial capital) the name of hypothetical vanished continent in the Pacific Ocean.mm – an interjection expressing satisfaction.me – first-person singular objective-case pronoun a variant of "mi" also a concept in Sumerian mythology also used in some dialects to mean "my".ma – mother also used in some dialects to mean "my".li – a unit of distance also (with initial capital) an ethnic minority in southern China.Ku – alternative spelling of Tu from Hawaiian.ki – alternative spelling of qi from Japanese.Ix – one of the Bacabs in Maya mythology.it – third person singular neutral pronoun.is – third person singular present indicative of "to be".io – an interjection (all the following are with initial capital) the daughter of Inachus in Greek mythology also a moon of Jupiter also an alternative spelling of Kiho also a Hawaiian species of hawk.if – a conjunction meaning "in the event that".id – one of the three components of the psyche, also I'd contraction of I would or I had.
ew – an interjection expressing disgust.er – an interjection expressing hesitation.en – a type of dash used in typesetting the letter "N".em – a type of dash used in typesetting the letter "M".el – the letter "L" also the god of rain in Canaanite mythology also short for "elevated train".eh – an interjection used to indicate lack of understanding.ea – a river (obsolete) also (with initial capital) the ea, god of water in Babylonian mythology.do – to execute also first tone of the diatonic scale.de – preposition meaning of or from in names and in phrases recently borrowed from the Latin or French ( de jure, de facto, coup de grace).da – a heavy Burmese knife in some dialects, father.bo – friend also a weapon used in martial arts also a sacred Indian]] fig tree.ba – part of the Egyptian soul also to kiss (archaic) in some dialects, father.aw – an interjection used variously to express sympathy, tenderness, disapproval, or disbelief by means of slight differences in pronunciation.Av – a month of the Hebrew calendar (see Ab above).at – a preposition meaning "in the area occupied by".as – a preposition meaning "to the same extent or degree".Ao – the god of the clouds in Polynesian mythology.an – the indefinite article used before vowel sounds.am – first person singular present indicative of the verb "to be".al – East Indian tree also a hirsute creature said in Persian mythology to devour the souls of unborn children.ah – an interjection used to express various emotions such as surprise, delight, disgust, or pain.aa – a type of lava having a rough surface (pronounced "ah - ah" and properly spelled "`a`a").The number is reduced somewhat by the " three letter rule". The English language contains various two-letter words.