c-- ccc cck ccn cco ccr ccs ccu ckc cko cks cky cn- cnc cnn cno cnr cns cnu cny co- coc cok con coo cor cos cou coy crc crk crn cro crr crs cru cry csc csk csn cso csr css csu csy cuc cuk cun cuo cur cus cuu cuy cyc cyk cyn cyo cyr cys kcc kck kcn kcr kcs kcu kkc kkk kkn kkr kks kku kky kn- knc knk knn kno knr knu koc kok kon koo kor kos kou koy krc krk krn kro krr krs kru kry ksc ksk ksn kso ksr kss ksu kuc kuk kun kur kus kuu kuy kyc kyn kyo kyr kys kyu ncc nck ncn nco ncr ncs ncu nkc nkk nkn nko nkr nks nku nky nnc nnk nnn nno nns nnu no- noc nok non noo nor nos nou noy nrc nrk nrn nro nrr nrs nru nry nsc nsk nsn nso nsr nss nsu nsy nuc nuk nun nuo nur nus nuu nuy nyc nyk nyn nyo nys nyu nyy oc- occ ock ocn oco ocr ocs ocu okc okk oko okr oks oku on- onc onk onn ono onr ons onu ony oo- ooc ook oon ooo oor oos or- orc ork orn oro orr ors oru ory os- osc osk osn oso osr oss osu ou- ouc ouk oun ouo our ous oyo oys rcc rcn rco rcr rcs rcu rkc rkk rko rks rku rky rnc rnn rno rnr rns rnu rny roc rok ron roo ror ros rou roy rrc rrk rrn rrr rrs rru rsc rsk rsn rso rsr rss rsu ruc ruk run ruo rur rus ruu ruy ry- ryc ryk ryn ryo ryr rys ryu ryy scc sck scn sco scr scs scu sk- skc skk sko skr sks sku sky snc snk snn sno snr sns snu sny soc sok son soo sor sos sou soy sr- src srk srn sro srr srs sry ss- ssc ssk ssn sso ssr sss ssu suc suk sun suo sur sus suu suy sy- syc syk syn syr sys syu ucc uck ucn uco ucr ucs ucu ukc ukk ukn ukr uku un- unc unk unn uno unr uns unu uny uoc uok uon uoo uor uos ur- urc urk urn uro urr urs uru ury usc usk usn uso usr uss usu uuc uun uur uus uuu uyc uyo uys uyu ycc yco ycs ycu ycy ykk ykn ynk ynn yns ynu yny yoc yok yon yoo yor yos you yoy yrc yrn yro yrs yru ysc ysk yso ysr yss ysu ysy yuk yun yuo yur yus yuu yuy yyc yys yyu yyy