4 letter words:
hypo12,
upby11,
holy10,
buhl9,
buoy9,
holp9,
ouph9,
ploy9,
poly9,
puly9,
loup6,
3 letter words:
hyp11,
hoy9,
boh8,
boy8,
buy8,
hob8,
hop8,
hub8,
hup8,
pho8,
ply8,
poh8,
puh8,
puy8,
yob8,
yup8,
bop7,
pub7,
loy6,
you6,
lob5,
lop5,
oup5,
plu5,
pol5,
pul5,
upo5,
lou3,
2 letter words:
by7,
ho5,
oh5,
oy5,
uh5,
yo5,
yu5,
bo4,
ob4,
op4,
po4,
up4,
lo2,
ou2,