-ic c-- ccc cci ccm cco ccs cct ci- cic cii cim cio cis cit cmc cmi cmm cmo cms cmt co- coc coi com coo cos cot csc csi csm cso css cst ctc cti ctm cto cts ctt icc ici icm ico ics ict iic iii iim iio iis iit im- imc imi imm imo ims imt io- ioc ioi iom ioo ios iot is- isc isi ism iso iss ist itc iti itm ito its itt m-o mc- mcc mci mcm mco mcs mct mi- mic mii mim mio mis mit mmc mmi mmm mmo mms mmt moc moi mom moo mos mot msc msi msm mso mss mst mtc mti mtm mto mts mtt o-i oc- occ oci ocm oco ocs oct oic oii oim oio ois oit om- omc omi omm omo oms omt oo- ooc ooi oom ooo oos oot os- osc osi osm oso oss ost ot- otc oti otm oto ots ott scc sci scm sco scs sct sic sii sim sio sis sit smc smi smm smo sms smt soc soi som soo sos sot ss- ssc ssi ssm sso sss sst stc sti stm sto sts stt tcc tci tcm tco tcs tct tic tii tim tio tis tit tmc tmi tmm tmo tms tmt to- toc toi tom too tos tot tsc tsi tsm tso tss tst ttc tti ttm tto tts ttt