6 letter words:
chitin11,
citrin8,
nitric8,
5 letter words:
hitch13,
chirt10,
crith10,
nicht10,
richt10,
ricin7,
4 letter words:
chin9,
chit9,
inch9,
itch9,
rich9,
tich9,
hint7,
thin7,
thir7,
crit6,
inti4,
trin4,
3 letter words:
chi8,
hic8,
ich8,
hin6,
hit6,
nth6,
cit5,
tic5,
nit3,
rin3,
rit3,
tin3,
2 letter words:
ch7,
hi5,
in2,
it2,
ti2,