-ic c-- ccc ccd cci cck ccr ccu cdc cdd cdi cdk cdr cdu ci- cic cid cii cik cir ciu ckc ckd cki crc crd cri crk crr cru cuc cud cui cuk cur cuu dcc dcd dci dck dcr dcu ddc ddd ddi ddk ddr ddu di- dic did dii dik dir diu dkc dki dkk dkr dku drc drd dri drk drr dru duc dud dui duk dur i-d icc icd ici ick icr icu idc idd idi idk idr idu iic iid iii iir iiu ikc iki ikk ikr iku ir- irc ird iri irk irr iru iu- iuc iud iui iur kcc kcd kci kck kcr kcu kdc kdk kdr kdu kic kid kii kik kir kiu kkc kki kkk kkr kku krc krd kri krk krr kru kuc kud kui kuk kur kuu rcc rcd rci rcr rcu rdc rdd rdi rdr rdu ric rid rii rik rir rkc rkk rku rrc rrd rri rrk rrr rru ruc rud rui ruk rur ruu ucc ucd uci uck ucr ucu udc udd udi udk udr udu uic uid uii uir uiu ukc uki ukk ukr uku ur- urc urd uri urk urr uru uuc uur uuu