-er -ey a-a a-c aaa aac aae aan aao aar aay ac- aca acc ace acn aco acr acy aea aec aee aen aeo aer aey an- ana anc ane ann ano anr any aoa aoc aoe aon aoo aor ar- ara arc are arn aro arr ary ay- aya ayc aye ayn ayo ayr c-- caa cac cae can cao car cay cca ccc cce ccn cco ccr ce- cea cec cee cen ceo cer cey cn- cna cnc cne cnn cno cnr cny co- coa coc coe con coo cor coy cra crc cre crn cro crr cry cya cyc cye cyn cyo cyr eaa eac eae ean eao ear ec- eca ecc ece ecn eco ecr eea eec eee een eeo eer eey en- ena enc ene enn eno enr eny eo- eoa eoc eoe eon eoo eor era erc ere ern ero err ery eya eyc eye eyn eyo eyr naa nac nae nan nao nar nay nca ncc nce ncn nco ncr ne- nea nec nee nen neo ner ney nna nnc nne nnn nno no- noa noc noe non noo nor noy nra nrc nre nrn nro nrr nry nya nyc nye nyn nyo nyy oaa oac oae oan oao oar oc- oca occ ocn oco ocr oea oec oee oen oeo oer oey on- ona onc one onn ono onr ony oo- ooa ooc oon ooo oor or- ora orc ore orn oro orr ory oya oye oyo ra- raa rac rae ran rao rar ray rca rcc rce rcn rco rcr re- rea rec ree ren reo rer rey rna rnc rnn rno rnr rny roa roc roe ron roo ror roy rra rrc rrn rrr ry- rya ryc rye ryn ryo ryr ryy yaa yac yae yan yao yar yay yca ycc yce yco ycy yea yec yee yen yeo yer yey yna yne ynn yny yoc yoe yon yoo yor yoy yra yrc yre yrn yro yyc yye yyy