-ic c-- ccc cci cck ccm ccr ci- cic cii cik cim cir ckc cki ckm cky cmc cmi cmk cmm cmr cmy crc cri crk crm crr cry cyc cyk cym cyr icc ici ick icm icr icy iic iii iim iir ikc iki ikk ikr im- imc imi imm imy ir- irc iri irk irm irr iry iyc iym iyr iyy kcc kci kck kcm kcr kic kii kik kim kir kkc kki kkk kkm kkr kky kmc kmi kmk kmm krc kri krk krr kry kyc kym kyr m-r mc- mcc mci mck mcm mcr mi- mic mii mik mim mir miy mkc mkk mkm mkr mky mmc mmi mmk mmm mmr mrc mri mrk mrm mrr mry my- myc myk mym myr rcc rci rcm rcr ric rii rik rim rir riy rkc rkk rkm rky rmc rmi rmm rmr rrc rri rrk rrm rrr ry- ryc ryk rym ryr ryy ycc yci ycy yii yim yir yki ykk ykm ymc ymi ymm yrc yyc yyy