-ic c-- ccc cci ccm cco ccp ccs ci- cic cii cim cio cip cis cmc cmi cmm cmo cmp cms co- coc coi com coo cop cos cpc cpi cpm cpo cpp cps csc csi csm cso csp css icc ici icm ico icp ics iic iii iim iio iip iis im- imc imi imm imo imp ims io- ioc ioi iom ioo iop ios ipc ipi ipm ipo ipp ips is- isc isi ism iso isp iss m-o mc- mcc mci mcm mco mcp mcs mi- mic mii mim mio mip mis mmc mmi mmm mmo mmp mms moc moi mom moo mop mos mpc mpi mpm mpo mpp mps msc msi msm mso msp mss o-i oc- occ oci ocm oco ocp ocs oic oii oim oio oip ois om- omc omi omm omo omp oms oo- ooc ooi oom ooo oop oos op- opc opi opm opo opp ops os- osc osi osm oso osp oss p-p pcc pci pcm pco pcp pcs pic pii pim pio pip pis pmc pmi pmm pmo pmp pms poc poi pom poo pop pos ppc ppi ppm ppo ppp pps ps- psc psi psm pso psp pss scc sci scm sco scp scs sic sii sim sio sip sis smc smi smm smo smp sms soc soi som soo sop sos spc spi spm spo spp sps ss- ssc ssi ssm sso ssp sss