-er -ey c-- ccc cce cck ccn cco ccr cct ccu ce- cec cee cek cen ceo cer cet ceu cey ckc cko ckt cky cn- cnc cne cnn cno cnr cnt cnu cny co- coc coe cok con coo cor cot cou coy crc cre crk crn cro crr crt cru cry ctc cte ctk ctn cto ctr ctt ctu cty cuc cue cuk cun cuo cur cut cuu cuy cyc cye cyk cyn cyo cyr cyt ec- ecc ece eck ecn eco ecr ect ecu eec eee eek een eeo eer eet eey ekc eke eko ekr ekt eku eky en- enc ene enk enn eno enr ent enu eny eo- eoc eoe eok eon eoo eor eot eou erc ere erk ern ero err ert eru ery etc ete etk etn eto etr ett etu ety eu- euc eue eun eur eut eyc eye eyn eyo eyr eyt k-t kcc kce kck kcn kcr kct kcu ke- kec kee kek ken keo ker ket key kkc kke kkk kkn kkr kkt kku kky kn- knc kne knk knn kno knr knt knu koc koe kok kon koo kor kot kou koy krc krk krn kro krr krt kru kry ktc kte ktk ktn kto ktr ktt ktu kuc kue kuk kun kur kut kuu kuy kyc kye kyn kyo kyr kyt kyu ncc nce nck ncn nco ncr nct ncu ne- nec nee nek nen neo ner net neu ney nkc nke nkk nkn nko nkr nkt nku nky nnc nne nnk nnn nno nnt nnu no- noc noe nok non noo nor not nou noy nrc nre nrk nrn nro nrr nrt nru nry ntc nte ntk ntn nto ntr ntt ntu nuc nue nuk nun nuo nur nut nuu nuy nyc nye nyk nyn nyo nyt nyu nyy oc- occ ock ocn oco ocr oct ocu oec oee oen oeo oer oet oey okc oke okk oko okr oku on- onc one onk onn ono onr ont onu ony oo- ooc ook oon ooo oor oot or- orc ore ork orn oro orr ort oru ory ot- otc ote otk otn oto otr ott otu ou- ouc oue ouk oun ouo our out oye oyo rcc rce rcn rco rcr rct rcu re- rec ree rek ren reo rer ret reu rey rkc rke rkk rko rkt rku rky rnc rnn rno rnr rnt rnu rny roc roe rok ron roo ror rot rou roy rrc rrk rrn rrr rrt rru rtc rte rtk rtn rto rtr rtt rtu rty ruc rue ruk run ruo rur rut ruu ruy ry- ryc rye ryk ryn ryo ryr ryu ryy tcc tce tck tcn tco tcr tct tcu te- tec tee tek ten teo ter tet teu tey tkc tke tkk tko tkr tkt tky tnc tne tnk tnn tno tnr tnt to- toc toe tok ton too tor tot tou toy trc tre trk trn tro trr trt tru try ttc tte ttk ttn tto ttr ttt ttu tty tuc tue tuk tun tuo tur tut tuu tuy tyc tye tyn tyo tyr tyt ucc uce uck ucn uco ucr uct ucu uec uee uen uer uet uey ukc uke ukk ukn ukr uku un- unc une unk unn uno unr unt unu uny uoc uoe uok uon uoo uor uot ur- urc ure urk urn uro urr urt uru ury utc ute utk utn uto utr utt utu uty uuc uue uun uur uut uuu uyc uyo uyu ycc yce yco ycu ycy yec yee yek yen yeo yer yet yey ykk ykn yne ynk ynn ynu yny yoc yoe yok yon yoo yor yot you yoy yrc yre yrn yro yrt yru ytc yte ytk ytn yto ytr ytt ytu yue yuk yun yuo yur yut yuu yuy yyc yye yyt yyu yyy