7 letter words:
rhombic16,
6 letter words:
rhombi13,
bromic12,
5 letter words:
chimb14,
birch12,
chirm12,
ohmic12,
rhomb12,
chiro10,
choir10,
ichor10,
boric9,
micro9,
4 letter words:
comb10,
rich9,
brim8,
corm8,
crib8,
biro6,
brio6,
coir6,
3 letter words:
chi8,
hic8,
him8,
hob8,
ich8,
mho8,
ohm8,
cob7,
mib7,
mic7,
mob7,
moc7,
rho6,
bio5,
bro5,
cor5,
mir5,
mor5,
obi5,
orb5,
orc5,
rib5,
rim5,
rob5,
roc5,
rom5,
2 letter words:
hm7,
hi5,
ho5,
oh5,
bi4,
bo4,
mi4,
mo4,
om4,
oi2,
or2,