5 letter words:
birch12,
4 letter words:
chib11,
cher9,
herb9,
rich9,
bice8,
crib8,
heir7,
hire7,
bier6,
brei6,
brie6,
cire6,
eric6,
icer6,
rice6,
3 letter words:
che8,
chi8,
ech8,
hic8,
ich8,
her6,
hie6,
reh6,
ice5,
reb5,
rec5,
rib5,
ire3,
rei3,
2 letter words:
ch7,
eh5,
he5,
hi5,
be4,
bi4,
er2,
re2,