-er -ey a-a a-c aaa aac aae aan aao aar aau aay ac- aca acc ace acn aco acr acu acy aea aec aee aen aeo aer aeu aey an- ana anc ane ann ano anr anu any aoa aoc aoe aon aoo aor aou ar- ara arc are arn aro arr aru ary au- aua auc aue aun auo aur ay- aya ayc aye ayn ayo ayr ayu c-- caa cac cae can cao car cau cay cca ccc cce ccn cco ccr ccu ce- cea cec cee cen ceo cer ceu cey cn- cna cnc cne cnn cno cnr cnu cny co- coa coc coe con coo cor cou coy cra crc cre crn cro crr cru cry cua cuc cue cun cuo cur cuu cuy cya cyc cye cyn cyo cyr eaa eac eae ean eao ear eau ec- eca ecc ece ecn eco ecr ecu eea eec eee een eeo eer eey en- ena enc ene enn eno enr enu eny eo- eoa eoc eoe eon eoo eor eou era erc ere ern ero err eru ery eu- eua euc eue eun eur eya eyc eye eyn eyo eyr naa nac nae nan nao nar nau nay nca ncc nce ncn nco ncr ncu ne- nea nec nee nen neo ner neu ney nna nnc nne nnn nno nnu no- noa noc noe non noo nor nou noy nra nrc nre nrn nro nrr nru nry nua nuc nue nun nuo nur nuu nuy nya nyc nye nyn nyo nyu nyy oaa oac oae oan oao oar oau oc- oca occ ocn oco ocr ocu oea oec oee oen oeo oer oey on- ona onc one onn ono onr onu ony oo- ooa ooc oon ooo oor or- ora orc ore orn oro orr oru ory ou- oua ouc oue oun ouo our oya oye oyo ra- raa rac rae ran rao rar rau ray rca rcc rce rcn rco rcr rcu re- rea rec ree ren reo rer reu rey rna rnc rnn rno rnr rnu rny roa roc roe ron roo ror rou roy rra rrc rrn rrr rru rua ruc rue run ruo rur ruu ruy ry- rya ryc rye ryn ryo ryr ryu ryy ua- uaa uac uae uan uao uar uau uay uca ucc uce ucn uco ucr ucu uea uec uee uen uer uey un- una unc une unn uno unr unu uny uoa uoc uoe uon uoo uor ur- ura urc ure urn uro urr uru ury uua uuc uue uun uur uuu uyc uyo uyu yaa yac yae yan yao yar yau yay yca ycc yce yco ycu ycy yea yec yee yen yeo yer yey yna yne ynn ynu yny yoc yoe yon yoo yor you yoy yra yrc yre yrn yro yru yua yue yun yuo yur yuu yuy yyc yye yyu yyy