-ic c-- ccc cci ccm cco ccr ccs cct ci- cic cii cim cio cir cis cit cmc cmi cmm cmo cmr cms cmt co- coc coi com coo cor cos cot crc cri crm cro crr crs crt csc csi csm cso csr css cst ctc cti ctm cto ctr cts ctt icc ici icm ico icr ics ict iic iii iim iio iir iis iit im- imc imi imm imo ims imt io- ioc ioi iom ioo ior ios iot ir- irc iri irm iro irr irs irt is- isc isi ism iso isr iss ist itc iti itm ito its itt m-o m-r mc- mcc mci mcm mco mcr mcs mct mi- mic mii mim mio mir mis mit mmc mmi mmm mmo mmr mms mmt moc moi mom moo mor mos mot mrc mri mrm mro mrr mrs mrt msc msi msm mso msr mss mst mtc mti mtm mto mtr mts mtt o-i oc- occ oci ocm oco ocr ocs oct oic oii oim oio oir ois oit om- omc omi omm omo omr oms omt oo- ooc ooi oom ooo oor oos oot or- orc ori orm oro orr ors ort os- osc osi osm oso osr oss ost ot- otc oti otm oto otr ots ott rcc rci rcm rco rcr rcs rct ric rii rim rio rir ris rit rmc rmi rmm rmo rmr rms rmt roc roi rom roo ror ros rot rrc rri rrm rrr rrs rrt rsc rsi rsm rso rsr rss rst rtc rti rtm rto rtr rts rtt scc sci scm sco scr scs sct sic sii sim sio sir sis sit smc smi smm smo smr sms smt soc soi som soo sor sos sot sr- src sri srm sro srr srs srt ss- ssc ssi ssm sso ssr sss sst stc sti stm sto str sts stt tcc tci tcm tco tcr tcs tct tic tii tim tio tir tis tit tmc tmi tmm tmo tmr tms tmt to- toc toi tom too tor tos tot trc tri trm tro trr trs trt tsc tsi tsm tso tsr tss tst ttc tti ttm tto ttr tts ttt