-ic c-- ccc cci ccm ccr ci- cic cii cim cir cmc cmi cmm cmr cmy crc cri crm crr cry cyc cym cyr icc ici icm icr icy iic iii iim iir im- imc imi imm imy ir- irc iri irm irr iry iyc iym iyr iyy m-r mc- mcc mci mcm mcr mi- mic mii mim mir miy mmc mmi mmm mmr mrc mri mrm mrr mry my- myc mym myr rcc rci rcm rcr ric rii rim rir riy rmc rmi rmm rmr rrc rri rrm rrr ry- ryc rym ryr ryy ycc yci ycy yii yim yir ymc ymi ymm yrc yyc yyy