6 letter words:
chirre11,
richer11,
5 letter words:
birch12,
chirr10,
hirer8,
brier7,
crier7,
ricer7,
4 letter words:
herb9,
rich9,
bice8,
crib8,
heir7,
hire7,
bier6,
birr6,
brie6,
cire6,
rice6,
3 letter words:
chi8,
hic8,
ich8,
her6,
hie6,
brr5,
ice5,
reb5,
rec5,
rib5,
err3,
ire3,
rei3,
2 letter words:
eh5,
he5,
hi5,
be4,
bi4,
er2,
re2,