-ic c-- ccc cci ccm cco ccs cct ci- cic cii cim cio cis cit cmc cmi cmm cmo cms cmt cmy co- coc coi com coo cos cot coy csc csi csm cso css cst csy ctc cti ctm cto cts ctt cty cyc cym cyo cys cyt icc ici icm ico ics ict icy iic iii iim iio iis iit im- imc imi imm imo ims imt imy io- ioc ioi iom ioo ios iot is- isc isi ism iso iss ist isy itc iti itm ito its itt ity iyc iym iyo iys iyt iyy m-o mc- mcc mci mcm mco mcs mct mi- mic mii mim mio mis mit miy mmc mmi mmm mmo mms mmt moc moi mom moo mos mot moy msc msi msm mso mss mst msy mtc mti mtm mto mts mtt my- myc mym myo mys myt o-i oc- occ oci ocm oco ocs oct oic oii oim oio ois oit om- omc omi omm omo oms omt omy oo- ooc ooi oom ooo oos oot os- osc osi osm oso oss ost ot- otc oti otm oto ots ott oyi oyo oys scc sci scm sco scs sct sic sii sim sio sis sit smc smi smm smo sms smt smy soc soi som soo sos sot soy ss- ssc ssi ssm sso sss sst stc sti stm sto sts stt sty sy- syc syi sym sys syt tcc tci tcm tco tcs tct tic tii tim tio tis tit tiy tmc tmi tmm tmo tms tmt tmy to- toc toi tom too tos tot toy tsc tsi tsm tso tss tst tsy ttc tti ttm tto tts ttt tty tyc tym tyo tys tyt ycc yci yco ycs ycy yii yim yio yis yit ymc ymi ymm ymo yms ymt yoc yoi yom yoo yos yot yoy ysc ysi ysm yso yss yst ysy ytc ytm yto yts ytt yyc yys yyt yyy