Two-Letter Scrabble words

aa (type of lava)

ad

ae (Scots word for one)

ah

ai (three-toed sloth)

am

an

ar (the letter "R")

as

at

aw

ax

ay ("Yes")

ba (the soul)

be

bi (bisexual)

bo (startling interjection)

by

ch (obsolete dialect pronoun)

da (a burmese knife)

di (plural of deus)

do

ea (dialect word meaning river)

ee (Scot's word for eye)

ef (the letter "F")

eh

el (the letter "L")

em

en (the letter "N")

er

es (the letter "S")

ex

fa

fy (interjection expressing disapproval)

gi (judo costume)

go

gu (violin)

ha

he

hi

ho

id

if

in

io (interjection expressing joy)

is

it

jo (Scots word for a loved one)

ka (the spirit or soul)

ko (Maori digging stick)

ky (Scots word for cows)

la

li (Chinese unit of distance)

lo

ma

me

mi

mo (old word for more)

mu

my

na (Scots word for "no")

ne

no

nu (Greek letter)

ny (obsolete spelling of "nigh")

ob (an objection)

od (a hypothetical force)

oe (same as "oy")

of

oh

oi

om (an intoned Hindu sacred symbol)

on

oo (Scots form of wool)

or

os (a bone)

ou (Scots interjection expressing concession)

ow

ox

oy (Scots word for grandchild)

pa

ph (number expressing acidity)

pi

po (short form of chamberpot)

qi (life force)

re

sh (interjection requesting silence)

si (An early form of "ti", a musical note)

so

st (interjection expressing silence)

ta

te (same as "ti", a musical note)

ti (a musical note)

to

ug

um

un

up

ur

us

ut (syllable representing "doh", a musical note)

we

wo (variant of "woe")

xi (greek letter)

xu (Vietnamese coin)

ye

yo

yu (precious jade)

zo (Himalayan animal)