-er -ey a-a a-b a-t aaa aab aae aan aar aas aat aay ab- aba abb abe abn abr abs abt aby aea aeb aee aen aer aes aet aey an- ana anb ane ann anr ans ant any ar- ara arb are arn arr ars art ary as- asa asb ase asn asr ass ast asy at- ata atb ate atn atr ats att ay- aya aye ayn ayr ays ayt baa bab bae ban bar bas bat bay bba bbb bbe bbn bbr bbs bbt bby be- bea beb bee ben ber bes bet bey bna bnb bne bnn bnr bns bnt bra brb bre brn brr brs brt bry bsa bsb bse bsn bsr bss bst bsy bta btb bte btn btr bts btt bty by- bya bye byn byr bys byt eaa eab eae ean ear eas eat eba ebb ebe ebn ebr ebs ebt eby eea eeb eee een eer ees eet eey en- ena enb ene enn enr ens ent eny era erb ere ern err ers ert ery es- esa esb ese esn esr ess est esy eta etb ete etn etr ets ett ety eya eye eyn eyr eys eyt naa nab nae nan nar nas nat nay nba nbb nbe nbn nbr nbs nbt ne- nea neb nee nen ner nes net ney nna nnb nne nnn nns nnt nra nrb nre nrn nrr nrs nrt nry nsa nsb nse nsn nsr nss nst nsy nta ntb nte ntn ntr nts ntt nya nye nyn nys nyt nyy ra- raa rab rae ran rar ras rat ray rba rbb rbe rbn rbr rbs rbt re- rea reb ree ren rer res ret rey rna rnb rnn rnr rns rnt rny rra rrb rrn rrr rrs rrt rsa rsb rse rsn rsr rss rst rta rtb rte rtn rtr rts rtt rty ry- rya rye ryn ryr rys ryy saa sab sae san sar sas sat say sba sbb sbe sbn sbr sbs sbt sby se- sea seb see sen ser ses set sey sna snb sne snn snr sns snt sny sr- sra srb sre srn srr srs srt sry ss- ssa ssb sse ssn ssr sss sst sta stb ste stn str sts stt sty sy- sya syb sye syn syr sys syt taa tab tae tan tar tas tat tay tba tbb tbe tbn tbr tbs tbt te- tea teb tee ten ter tes tet tey tna tnb tne tnn tnr tns tnt tra trb tre trn trr trs trt try tsa tsb tse tsn tsr tss tst tsy tta ttb tte ttn ttr tts ttt tty tya tye tyn tyr tys tyt yaa yab yae yan yar yas yat yay ybe ybr ybs yby yea yeb yee yen yer yes yet yey yna yne ynn yns yny yra yre yrn yrs yrt ysa ysb yse ysr yss yst ysy yta yte ytn ytr yts ytt yyb yye yys yyt yyy