-ic c-- ccc cci ccm cco ccp ccs cct ci- cic cii cim cio cip cis cit cmc cmi cmm cmo cmp cms cmt co- coc coi com coo cop cos cot cpc cpi cpm cpo cpp cps cpt csc csi csm cso csp css cst ctc cti ctm cto ctp cts ctt icc ici icm ico icp ics ict iic iii iim iio iip iis iit im- imc imi imm imo imp ims imt io- ioc ioi iom ioo iop ios iot ipc ipi ipm ipo ipp ips ipt is- isc isi ism iso isp iss ist itc iti itm ito itp its itt m-o mc- mcc mci mcm mco mcp mcs mct mi- mic mii mim mio mip mis mit mmc mmi mmm mmo mmp mms mmt moc moi mom moo mop mos mot mpc mpi mpm mpo mpp mps mpt msc msi msm mso msp mss mst mtc mti mtm mto mtp mts mtt o-i oc- occ oci ocm oco ocp ocs oct oic oii oim oio oip ois oit om- omc omi omm omo omp oms omt oo- ooc ooi oom ooo oop oos oot op- opc opi opm opo opp ops opt os- osc osi osm oso osp oss ost ot- otc oti otm oto otp ots ott p-p pcc pci pcm pco pcp pcs pct pic pii pim pio pip pis pit pmc pmi pmm pmo pmp pms pmt poc poi pom poo pop pos pot ppc ppi ppm ppo ppp pps ppt ps- psc psi psm pso psp pss pst pt- ptc pti ptm pto ptp pts ptt scc sci scm sco scp scs sct sic sii sim sio sip sis sit smc smi smm smo smp sms smt soc soi som soo sop sos sot spc spi spm spo spp sps spt ss- ssc ssi ssm sso ssp sss sst stc sti stm sto stp sts stt tcc tci tcm tco tcp tcs tct tic tii tim tio tip tis tit tmc tmi tmm tmo tmp tms tmt to- toc toi tom too top tos tot tpc tpi tpm tpo tpp tps tpt tsc tsi tsm tso tsp tss tst ttc tti ttm tto ttp tts ttt