-er -ey c-- ccc cce ccg cck ccn cco ccr ccu ce- cec cee ceg cek cen ceo cer ceu cey cgc cge cgg cgn cgo cgr cgu cgy ckc cko cky cn- cnc cne cng cnn cno cnr cnu cny co- coc coe cog cok con coo cor cou coy crc cre crg crk crn cro crr cru cry cuc cue cug cuk cun cuo cur cuu cuy cyc cye cyg cyk cyn cyo cyr ec- ecc ece ecg eck ecn eco ecr ecu eec eee eeg eek een eeo eer eey egc ege egg egn ego egr egu egy ekc eke ekg eko ekr eku eky en- enc ene eng enk enn eno enr enu eny eo- eoc eoe eog eok eon eoo eor eou erc ere erg erk ern ero err eru ery eu- euc eue eug eun eur eyc eye eyn eyo eyr gcc gce gcg gck gcn gco gcr gcu ge- gec gee geg gek gen geo ger geu gey ggc ggg ggn ggo ggr ggu gkn gko gnc gne gnn gno gnr gnu goc goe gog gok gon goo gor gou goy grc gre grg grk grn gro grr gru gry gu- guc gue gug guk gun guo gur guu guy gy- gye gyn gyo gyr kcc kce kcg kck kcn kcr kcu ke- kec kee keg kek ken keo ker key kgc kgo kgu kgy kkc kke kkk kkn kkr kku kky kn- knc kne kng knk knn kno knr knu koc koe kog kok kon koo kor kou koy krc krg krk krn kro krr kru kry kuc kue kug kuk kun kur kuu kuy kyc kye kyn kyo kyr kyu ncc nce ncg nck ncn nco ncr ncu ne- nec nee neg nek nen neo ner neu ney ngc nge ngg ngk ngn ngo ngu nkc nke nkk nkn nko nkr nku nky nnc nne nng nnk nnn nno nnu no- noc noe nog nok non noo nor nou noy nrc nre nrg nrk nrn nro nrr nru nry nuc nue nug nuk nun nuo nur nuu nuy nyc nye nyg nyk nyn nyo nyu nyy oc- occ ocg ock ocn oco ocr ocu oec oee oeg oen oeo oer oey ogc oge ogg ogn ogo ogy okc oke okg okk oko okr oku on- onc one ong onk onn ono onr onu ony oo- ooc oog ook oon ooo oor or- orc ore org ork orn oro orr oru ory ou- ouc oue ouk oun ouo our oye oyo rcc rce rcg rcn rco rcr rcu re- rec ree reg rek ren reo rer reu rey rgc rge rgg rgk rgn rgo rgr rkc rke rkg rkk rko rku rky rnc rng rnn rno rnr rnu rny roc roe rog rok ron roo ror rou roy rrc rrg rrk rrn rrr rru ruc rue rug ruk run ruo rur ruu ruy ry- ryc rye ryg ryk ryn ryo ryr ryu ryy ucc uce ucg uck ucn uco ucr ucu uec uee ueg uen uer uey ugc uge ugg ugk ugn ugo ugr ugu ukc uke ukk ukn ukr uku un- unc une ung unk unn uno unr unu uny uoc uoe uog uok uon uoo uor ur- urc ure urg urk urn uro urr uru ury uuc uue uug uun uur uuu uyc uyo uyu ycc yce yco ycu ycy yec yee yeg yek yen yeo yer yey ygc ygo ykk ykn yne yng ynk ynn ynu yny yoc yoe yog yok yon yoo yor you yoy yrc yre yrg yrn yro yru yue yug yuk yun yuo yur yuu yuy yyc yye yyg yyu yyy