-ic c-- ccc cci cck ccm ccn cco ccr ccs ci- cic cii cik cim cin cio cir cis ckc cki ckm cko cks cmc cmi cmk cmm cmn cmo cmr cms cn- cnc cni cnm cnn cno cnr cns co- coc coi cok com con coo cor cos crc cri crk crm crn cro crr crs csc csi csk csm csn cso csr css icc ici ick icm icn ico icr ics iic iii iim iin iio iir iis ikc iki ikk iko ikr iks im- imc imi imm imn imo ims in- inc ini ink inm inn ino inr ins io- ioc ioi iom ion ioo ior ios ir- irc iri irk irm irn iro irr irs is- isc isi isk ism isn iso isr iss kcc kci kck kcm kcn kcr kcs kic kii kik kim kin kio kir kis kkc kki kkk kkm kkn kkr kks kmc kmi kmk kmm kmo kms kn- knc kni knk knm knn kno knr koc koi kok kom kon koo kor kos krc kri krk krn kro krr krs ksc ksi ksk ksm ksn kso ksr kss m-o m-r mc- mcc mci mck mcm mcn mco mcr mcs mi- mic mii mik mim min mio mir mis mkc mkk mkm mkn mko mkr mks mmc mmi mmk mmm mmn mmo mmr mms mnc mni mnk mnm mnn mno mnr mns moc moi mok mom mon moo mor mos mrc mri mrk mrm mrn mro mrr mrs msc msi msk msm msn mso msr mss n-i ncc nci nck ncm ncn nco ncr ncs nic nii nik nim nin nio nir nis nkc nki nkk nkm nkn nko nkr nks nmc nmi nmk nmm nmn nmo nmr nms nnc nni nnk nnm nnn nno nns no- noc noi nok nom non noo nor nos nrc nri nrk nrm nrn nro nrr nrs nsc nsi nsk nsm nsn nso nsr nss o-i oc- occ oci ock ocm ocn oco ocr ocs oic oii oik oim oin oio oir ois okc oki okk oko okr oks om- omc omi omm omn omo omr oms on- onc oni onk onn ono onr ons oo- ooc ooi ook oom oon ooo oor oos or- orc ori ork orm orn oro orr ors os- osc osi osk osm osn oso osr oss rcc rci rcm rcn rco rcr rcs ric rii rik rim rin rio rir ris rkc rkk rkm rko rks rmc rmi rmm rmn rmo rmr rms rnc rni rnm rnn rno rnr rns roc roi rok rom ron roo ror ros rrc rri rrk rrm rrn rrr rrs rsc rsi rsk rsm rsn rso rsr rss scc sci sck scm scn sco scr scs sic sii sik sim sin sio sir sis sk- skc ski skk skm sko skr sks smc smi smk smm smn smo smr sms snc sni snk snm snn sno snr sns soc soi sok som son soo sor sos sr- src sri srk srm srn sro srr srs ss- ssc ssi ssk ssm ssn sso ssr sss