5 letter words:
stymy13,
combs11,
tombs9,
4 letter words:
mycs11,
comb10,
boys9,
cosy9,
coys9,
cyst9,
sybo9,
toby9,
yobs9,
cobs8,
mobs8,
mocs8,
tomb8,
toys7,
bots6,
cost6,
cots6,
most6,
mots6,
scot6,
stob6,
toms6,
3 letter words:
myc10,
boy8,
bys8,
coy8,
yob8,
yom8,
cob7,
mob7,
moc7,
soy6,
sty6,
toy6,
bos5,
bot5,
cos5,
cot5,
mos5,
mot5,
oms5,
sob5,
som5,
tom5,
sot3,
2 letter words:
by7,
my7,
oy5,
yo5,
bo4,
mo4,
om4,
os2,
so2,
to2,