-ic c-- ccc cci cck ccn cco ccr ccs ci- cic cii cik cin cio cir cis ckc cki cko cks cky cn- cnc cni cnn cno cnr cns cny co- coc coi cok con coo cor cos coy crc cri crk crn cro crr crs cry csc csi csk csn cso csr css csy cyc cyk cyn cyo cyr cys icc ici ick icn ico icr ics icy iic iii iin iio iir iis ikc iki ikk iko ikr iks in- inc ini ink inn ino inr ins iny io- ioc ioi ion ioo ior ios ir- irc iri irk irn iro irr irs iry is- isc isi isk isn iso isr iss isy iyc iyo iyr iys iyy kcc kci kck kcn kcr kcs kic kii kik kin kio kir kis kkc kki kkk kkn kkr kks kky kn- knc kni knk knn kno knr koc koi kok kon koo kor kos koy krc kri krk krn kro krr krs kry ksc ksi ksk ksn kso ksr kss kyc kyn kyo kyr kys n-i ncc nci nck ncn nco ncr ncs nic nii nik nin nio nir nis nkc nki nkk nkn nko nkr nks nky nnc nni nnk nnn nno nns no- noc noi nok non noo nor nos noy nrc nri nrk nrn nro nrr nrs nry nsc nsi nsk nsn nso nsr nss nsy nyc nyk nyn nyo nys nyy o-i oc- occ oci ock ocn oco ocr ocs oic oii oik oin oio oir ois okc oki okk oko okr oks on- onc oni onk onn ono onr ons ony oo- ooc ooi ook oon ooo oor oos or- orc ori ork orn oro orr ors ory os- osc osi osk osn oso osr oss oyi oyo oys rcc rci rcn rco rcr rcs ric rii rik rin rio rir ris riy rkc rkk rko rks rky rnc rni rnn rno rnr rns rny roc roi rok ron roo ror ros roy rrc rri rrk rrn rrr rrs rsc rsi rsk rsn rso rsr rss ry- ryc ryk ryn ryo ryr rys ryy scc sci sck scn sco scr scs sic sii sik sin sio sir sis sk- skc ski skk sko skr sks sky snc sni snk snn sno snr sns sny soc soi sok son soo sor sos soy sr- src sri srk srn sro srr srs sry ss- ssc ssi ssk ssn sso ssr sss sy- syc syi syk syn syr sys ycc yci yco ycs ycy yii yin yio yir yis yki ykk ykn ynk ynn yns yny yoc yoi yok yon yoo yor yos yoy yrc yrn yro yrs ysc ysi ysk yso ysr yss ysy yyc yys yyy