5 letter words:
cohab12,
achoo10,
ancho10,
nacho10,
bacon9,
banco9,
aboon7,
4 letter words:
bach11,
boho9,
booh9,
chao9,
chon9,
coho9,
hobo9,
nach9,
banc8,
hoon7,
noah7,
bona6,
boon6,
coon6,
3 letter words:
ach8,
bah8,
boh8,
cha8,
hob8,
hoc8,
och8,
bac7,
cab7,
cob7,
han6,
hao6,
hoa6,
hon6,
hoo6,
nah6,
noh6,
oho6,
ooh6,
abo5,
ban5,
boa5,
bon5,
boo5,
can5,
con5,
coo5,
nab5,
nob5,
oba5,
obo5,
oca5,
noo3,
ono3,
oon3,
2 letter words:
ch7,
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
ob4,
an2,
na2,
no2,
on2,
oo2,