-er -ey a-a a-b aaa aab aae aag aan aar aas aay ab- aba abb abe abg abn abr abs aby aea aeb aee aeg aen aer aes aey ag- aga agb age agg agn agr ags agy an- ana anb ane ang ann anr ans any ar- ara arb are arg arn arr ars ary as- asa asb ase asg asn asr ass asy ay- aya aye ayn ayr ays baa bab bae bag ban bar bas bay bba bbb bbe bbg bbn bbr bbs bby be- bea beb bee beg ben ber bes bey bga bgb bge bgg bgn bgr bgs bna bnb bne bng bnn bnr bns bra brb bre brg brn brr brs bry bsa bsb bse bsg bsn bsr bss bsy by- bya bye byg byn byr bys eaa eab eae eag ean ear eas eba ebb ebe ebg ebn ebr ebs eby eea eeb eee eeg een eer ees eey ega egb ege egg egn egr egs egy en- ena enb ene eng enn enr ens eny era erb ere erg ern err ers ery es- esa esb ese esg esn esr ess esy eya eye eyn eyr eys gaa gab gae gag gan gar gas gay gba gbe gbg gbn gbr gbs gby ge- gea geb gee geg gen ger ges gey gga ggb ggg ggn ggr ggs gna gnb gne gnn gnr gns gra grb gre grg grn grr grs gry gsa gsb gse gsg gsn gsr gss gy- gya gyb gye gyn gyr gys naa nab nae nag nan nar nas nay nba nbb nbe nbg nbn nbr nbs ne- nea neb nee neg nen ner nes ney nga ngb nge ngg ngn ngs nna nnb nne nng nnn nns nra nrb nre nrg nrn nrr nrs nry nsa nsb nse nsg nsn nsr nss nsy nya nye nyg nyn nys nyy ra- raa rab rae rag ran rar ras ray rba rbb rbe rbg rbn rbr rbs re- rea reb ree reg ren rer res rey rga rgb rge rgg rgn rgr rgs rna rnb rng rnn rnr rns rny rra rrb rrg rrn rrr rrs rsa rsb rse rsg rsn rsr rss ry- rya rye ryg ryn ryr rys ryy saa sab sae sag san sar sas say sba sbb sbe sbg sbn sbr sbs sby se- sea seb see seg sen ser ses sey sga sgb sge sgg sgn sgr sgs sna snb sne sng snn snr sns sny sr- sra srb sre srg srn srr srs sry ss- ssa ssb sse ssg ssn ssr sss sy- sya syb sye syg syn syr sys yaa yab yae yag yan yar yas yay ybe ybg ybr ybs yby yea yeb yee yeg yen yer yes yey yga yna yne yng ynn yns yny yra yre yrg yrn yrs ysa ysb yse ysg ysr yss ysy yyb yye yyg yys yyy