-er -ey a-a a-c aaa aac aae aaf aan aao aar aay ac- aca acc ace acf acn aco acr acy aea aec aee aef aen aeo aer aey af- afa afc afe aff afn afo afr afy an- ana anc ane anf ann ano anr any aoa aoc aoe aof aon aoo aor ar- ara arc are arf arn aro arr ary ay- aya ayc aye ayf ayn ayo ayr c-- caa cac cae caf can cao car cay cca ccc cce ccf ccn cco ccr ce- cea cec cee cef cen ceo cer cey cfa cfc cfe cff cfn cfo cfr cn- cna cnc cne cnf cnn cno cnr cny co- coa coc coe cof con coo cor coy cra crc cre crf crn cro crr cry cya cyc cye cyf cyn cyo cyr eaa eac eae eaf ean eao ear ec- eca ecc ece ecf ecn eco ecr eea eec eee eef een eeo eer eey ef- efa efc efe eff efo efr en- ena enc ene enf enn eno enr eny eo- eoa eoc eoe eof eon eoo eor era erc ere erf ern ero err ery eya eyc eye eyn eyo eyr faa fac fae faf fan fao far fay fca fcc fce fcf fcn fco fcr fcy fea fec fee fef fen feo fer fey ffa ffc ffe fff ffn ffo ffr ffy fna fnc fne fnf fnn fnr foa foc foe fof fon foo for foy fra frc fre frf frn fro frr fry fy- fya fyc fye fyn fyo naa nac nae naf nan nao nar nay nca ncc nce ncf ncn nco ncr ne- nea nec nee nef nen neo ner ney nfa nfc nfe nff nfn nfo nfr nna nnc nne nnf nnn nno no- noa noc noe nof non noo nor noy nra nrc nre nrf nrn nro nrr nry nya nyc nye nyf nyn nyo nyy oaa oac oae oaf oan oao oar oc- oca occ ocf ocn oco ocr oea oec oee oef oen oeo oer oey of- ofa ofc ofe off ofn ofo ofr on- ona onc one onf onn ono onr ony oo- ooa ooc oof oon ooo oor or- ora orc ore orf orn oro orr ory oya oye oyo ra- raa rac rae raf ran rao rar ray rca rcc rce rcf rcn rco rcr re- rea rec ree ref ren reo rer rey rfa rfc rfe rff rfn rfo rfr rna rnc rnn rno rnr rny roa roc roe rof ron roo ror roy rra rrc rrf rrn rrr ry- rya ryc rye ryf ryn ryo ryr ryy yaa yac yae yaf yan yao yar yay yca ycc yce ycf yco ycy yea yec yee yef yen yeo yer yey yfa yfc yfe yff yfr yna yne ynn yny yoc yoe yof yon yoo yor yoy yra yrc yre yrf yrn yro yyc yye yyf yyy