11 letter words:
gnotobiotic16,
7 letter words:
biontic11,
bitting10,
booting10,
coition9,
toiting8,
tooting8,
6 letter words:
bionic10,
biotic10,
niobic10,
biting9,
booing9,
citing9,
cogito9,
congii9,
cooing9,
coting9,
biotin8,
bonito8,
cotton8,
otitic8,
gittin7,
toting7,
5 letter words:
bigot8,
bingo8,
boing8,
bongo8,
cogon8,
coign8,
congo8,
icing8,
incog8,
binit7,
biont7,
conto7,
ionic7,
ontic7,
tinct7,
tonic7,
ingot6,
tigon6,
4 letter words:
biog7,
bong7,
gobo7,
bint6,
bitt6,
boon6,
boot6,
bott6,
cion6,
coin6,
coni6,
coon6,
coot6,
icon6,
obit6,
otic6,
goon5,
ting5,
tong5,
inti4,
into4,
onto4,
otto4,
tint4,
titi4,
toit4,
toon4,
toot4,
3 letter words:
cob7,
big6,
bog6,
cig6,
cog6,
gib6,
gob6,
bin5,
bio5,
bit5,
boo5,
bot5,
con5,
coo5,
cot5,
nib5,
nob5,
obi5,
tic5,
gin4,
git4,
goo4,
got4,
nog4,
tog4,
ion3,
nit3,
noo3,
not3,
ono3,
oot3,
tin3,
tit3,
ton3,
too3,
tot3,
2 letter words:
bi4,
bo4,
go3,
in2,
it2,
no2,
oi2,
on2,
ti2,
to2,