-ic c-- ccc cci ccm ccn ccr ccs ci- cic cii cim cin cir cis cmc cmi cmm cmn cmr cms cn- cnc cni cnm cnn cnr cns crc cri crm crn crr crs csc csi csm csn csr css icc ici icm icn icr ics iic iii iim iin iir iis im- imc imi imm imn ims in- inc ini inm inn inr ins ir- irc iri irm irn irr irs is- isc isi ism isn isr iss m-r mc- mcc mci mcm mcn mcr mcs mi- mic mii mim min mir mis mmc mmi mmm mmn mmr mms mnc mni mnm mnn mnr mns mrc mri mrm mrn mrr mrs msc msi msm msn msr mss n-i ncc nci ncm ncn ncr ncs nic nii nim nin nir nis nmc nmi nmm nmn nmr nms nnc nni nnm nnn nns nrc nri nrm nrn nrr nrs nsc nsi nsm nsn nsr nss rcc rci rcm rcn rcr rcs ric rii rim rin rir ris rmc rmi rmm rmn rmr rms rnc rni rnm rnn rnr rns rrc rri rrm rrn rrr rrs rsc rsi rsm rsn rsr rss scc sci scm scn scr scs sic sii sim sin sir sis smc smi smm smn smr sms snc sni snm snn snr sns sr- src sri srm srn srr srs ss- ssc ssi ssm ssn ssr sss