5 letter words:
chimb14,
birch12,
chirm12,
humic12,
rhumb12,
crumb11,
chiru10,
4 letter words:
chib11,
chub11,
chum11,
mich11,
much11,
buhr9,
huic9,
rich9,
brim8,
crib8,
crim8,
curb8,
muir6,
rimu6,
uric6,
3 letter words:
chi8,
hic8,
him8,
hub8,
hum8,
ich8,
bum7,
cub7,
cum7,
mib7,
mic7,
hui6,
bru5,
bur5,
cru5,
cur5,
mir5,
rib5,
rim5,
rub5,
ruc5,
rum5,
urb5,
2 letter words:
ch7,
hm7,
hi5,
uh5,
bi4,
mi4,
mu4,
um4,
ur2,