7 letter words:
scirrhi12,
6 letter words:
chirrs11,
5 letter words:
chirr10,
rishi8,
shirr8,
sirih8,
cirri7,
4 letter words:
chis9,
ichs9,
rich9,
sich9,
shir7,
shri7,
cris6,
iris4,
siri4,
3 letter words:
chi8,
hic8,
ich8,
his6,
ish6,
cis5,
sic5,
sir3,
sri3,
2 letter words:
ch7,
hi5,
sh5,
is2,
si2,