-er -ey a-a a-b a-t aaa aab aae aaf aan aar aat aay ab- aba abb abe abf abn abr abt aby aea aeb aee aef aen aer aet aey af- afa afb afe aff afn afr aft afy an- ana anb ane anf ann anr ant any ar- ara arb are arf arn arr art ary at- ata atb ate atf atn atr att ay- aya aye ayf ayn ayr ayt baa bab bae baf ban bar bat bay bba bbb bbe bbf bbn bbr bbt bby be- bea beb bee bef ben ber bet bey bfa bfb bfe bff bfn bfr bft bfy bna bnb bne bnf bnn bnr bnt bra brb bre brf brn brr brt bry bta btb bte btf btn btr btt bty by- bya bye byf byn byr byt eaa eab eae eaf ean ear eat eba ebb ebe ebf ebn ebr ebt eby eea eeb eee eef een eer eet eey ef- efa efb efe eff efr eft en- ena enb ene enf enn enr ent eny era erb ere erf ern err ert ery eta etb ete etf etn etr ett ety eya eye eyn eyr eyt faa fab fae faf fan far fat fay fba fbb fbe fbf fbn fbr fbt fea feb fee fef fen fer fet fey ffa ffe fff ffn ffr fft ffy fna fnb fne fnf fnn fnr fnt fra frb fre frf frn frr frt fry fta ftb fte ftf ftn ftr ftt fty fy- fya fyb fye fyn naa nab nae naf nan nar nat nay nba nbb nbe nbf nbn nbr nbt ne- nea neb nee nef nen ner net ney nfa nfb nfe nff nfn nfr nft nna nnb nne nnf nnn nnt nra nrb nre nrf nrn nrr nrt nry nta ntb nte ntf ntn ntr ntt nya nye nyf nyn nyt nyy ra- raa rab rae raf ran rar rat ray rba rbb rbe rbf rbn rbr rbt re- rea reb ree ref ren rer ret rey rfa rfb rfe rff rfn rfr rft rna rnb rnn rnr rnt rny rra rrb rrf rrn rrr rrt rta rtb rte rtf rtn rtr rtt rty ry- rya rye ryf ryn ryr ryy taa tab tae taf tan tar tat tay tba tbb tbe tbf tbn tbr tbt te- tea teb tee tef ten ter tet tey tfa tfb tfe tff tfn tfr tft tna tnb tne tnf tnn tnr tnt tra trb tre trf trn trr trt try tta ttb tte ttf ttn ttr ttt tty tya tye tyf tyn tyr tyt yaa yab yae yaf yan yar yat yay ybe ybf ybr yby yea yeb yee yef yen yer yet yey yfa yfe yff yfr yft yna yne ynn yny yra yre yrf yrn yrt yta yte ytf ytn ytr ytt yyb yye yyf yyt yyy