-er -ey a-a a-c a-t aaa aac aae aan aar aat aay ac- aca acc ace acn acr act acy aea aec aee aen aer aet aey an- ana anc ane ann anr ant any ar- ara arc are arn arr art ary at- ata atc ate atn atr att ay- aya ayc aye ayn ayr ayt c-- caa cac cae can car cat cay cca ccc cce ccn ccr cct ce- cea cec cee cen cer cet cey cn- cna cnc cne cnn cnr cnt cny cra crc cre crn crr crt cry cta ctc cte ctn ctr ctt cty cya cyc cye cyn cyr cyt eaa eac eae ean ear eat ec- eca ecc ece ecn ecr ect eea eec eee een eer eet eey en- ena enc ene enn enr ent eny era erc ere ern err ert ery eta etc ete etn etr ett ety eya eyc eye eyn eyr eyt naa nac nae nan nar nat nay nca ncc nce ncn ncr nct ne- nea nec nee nen ner net ney nna nnc nne nnn nnt nra nrc nre nrn nrr nrt nry nta ntc nte ntn ntr ntt nya nyc nye nyn nyt nyy ra- raa rac rae ran rar rat ray rca rcc rce rcn rcr rct re- rea rec ree ren rer ret rey rna rnc rnn rnr rnt rny rra rrc rrn rrr rrt rta rtc rte rtn rtr rtt rty ry- rya ryc rye ryn ryr ryy taa tac tae tan tar tat tay tca tcc tce tcn tcr tct te- tea tec tee ten ter tet tey tna tnc tne tnn tnr tnt tra trc tre trn trr trt try tta ttc tte ttn ttr ttt tty tya tyc tye tyn tyr tyt yaa yac yae yan yar yat yay yca ycc yce ycy yea yec yee yen yer yet yey yna yne ynn yny yra yrc yre yrn yrt yta ytc yte ytn ytr ytt yyc yye yyt yyy