9 letter words:
corticoid14,
8 letter words:
dicrotic13,
7 letter words:
cricoid12,
6 letter words:
citric10,
critic10,
doctor9,
octroi8,
toroid7,
5 letter words:
croci9,
ictic9,
dicot8,
doric8,
iodic8,
toric7,
droit6,
idiot6,
ootid6,
torii5,
4 letter words:
coco8,
croc8,
cord7,
dict7,
doco7,
odic7,
cito6,
coir6,
coit6,
coot6,
crit6,
otic6,
toco6,
torc6,
dirt5,
doit5,
door5,
dort5,
irid5,
odor5,
ordo5,
rood5,
trod5,
riot4,
root4,
roti4,
roto4,
tiro4,
tori4,
toro4,
trio4,
3 letter words:
cid6,
cod6,
doc6,
cit5,
coo5,
cor5,
cot5,
orc5,
roc5,
tic5,
toc5,
dit4,
doo4,
dor4,
dot4,
ord4,
rid4,
rod4,
tid4,
tod4,
oor3,
oot3,
ort3,
rit3,
roo3,
rot3,
too3,
tor3,
2 letter words:
di3,
do3,
id3,
od3,
io2,
it2,
oi2,
oo2,
or2,
ti2,
to2,