-ic c-- ccc cci ccm ccr ccs cct ci- cic cii cim cir cis cit cmc cmi cmm cmr cms cmt cmy crc cri crm crr crs crt cry csc csi csm csr css cst csy ctc cti ctm ctr cts ctt cty cyc cym cyr cys cyt icc ici icm icr ics ict icy iic iii iim iir iis iit im- imc imi imm ims imt imy ir- irc iri irm irr irs irt iry is- isc isi ism isr iss ist isy itc iti itm its itt ity iyc iym iyr iys iyt iyy m-r mc- mcc mci mcm mcr mcs mct mi- mic mii mim mir mis mit miy mmc mmi mmm mmr mms mmt mrc mri mrm mrr mrs mrt mry msc msi msm msr mss mst msy mtc mti mtm mtr mts mtt my- myc mym myr mys myt rcc rci rcm rcr rcs rct ric rii rim rir ris rit riy rmc rmi rmm rmr rms rmt rrc rri rrm rrr rrs rrt rsc rsi rsm rsr rss rst rtc rti rtm rtr rts rtt rty ry- ryc rym ryr rys ryy scc sci scm scr scs sct sic sii sim sir sis sit smc smi smm smr sms smt smy sr- src sri srm srr srs srt sry ss- ssc ssi ssm ssr sss sst stc sti stm str sts stt sty sy- syc syi sym syr sys syt tcc tci tcm tcr tcs tct tic tii tim tir tis tit tiy tmc tmi tmm tmr tms tmt tmy trc tri trm trr trs trt try tsc tsi tsm tsr tss tst tsy ttc tti ttm ttr tts ttt tty tyc tym tyr tys tyt ycc yci ycs ycy yii yim yir yis yit ymc ymi ymm yms ymt yrc yrs yrt ysc ysi ysm ysr yss yst ysy ytc ytm ytr yts ytt yyc yys yyt yyy