-ic c-- ccc cci ccm ccr ccs ccx ci- cic cii cim cir cis cix cmc cmi cmm cmr cms cmx cmy crc cri crm crr crs crx cry csc csi csm csr css csx csy cxc cxi cxr cxs cxx cyc cym cyr cys icc ici icm icr ics icy iic iii iim iir iis iix im- imc imi imm ims imx imy ir- irc iri irm irr irs irx iry is- isc isi ism isr iss isy ixc ixi ixy iyc iym iyr iys iyy m-r mc- mcc mci mcm mcr mcs mcx mi- mic mii mim mir mis mix miy mmc mmi mmm mmr mms mmx mrc mri mrm mrr mrs mrx mry msc msi msm msr mss msx msy mxc mxi mxr mxs my- myc mym myr mys myx rcc rci rcm rcr rcs rcx ric rii rim rir ris rix riy rmc rmi rmm rmr rms rmx rrc rri rrm rrr rrs rsc rsi rsm rsr rss rsx rxr rxs ry- ryc rym ryr rys ryy scc sci scm scr scs scx sic sii sim sir sis six smc smi smm smr sms smx smy sr- src sri srm srr srs srx sry ss- ssc ssi ssm ssr sss ssx sxc sxi sxm sxs sy- syc syi sym syr sys syx xci xcr xcx xic xii xis xix xmc xmi xmm xmr xms xmx xrc xrx xry xsc xsi xsm xss xxi xxx xxy xyr xyy ycc yci ycs ycy yii yim yir yis ymc ymi ymm yms yrc yrs ysc ysi ysm ysr yss ysy yxy yyc yys yyy