-er -ey a-a a-b aaa aab aae aah aan aar aas aay ab- aba abb abe abh abn abr abs aby aea aeb aee aeh aen aer aes aey aha ahb ahe ahh ahn ahr ahs ahy an- ana anb ane anh ann anr ans any ar- ara arb are arh arn arr ars ary as- asa asb ase ash asn asr ass asy ay- aya aye ayh ayn ayr ays baa bab bae bah ban bar bas bay bba bbb bbe bbh bbn bbr bbs bby be- bea beb bee beh ben ber bes bey bha bhb bhe bhh bhr bhs bna bnb bne bnn bnr bns bra brb bre brh brn brr brs bry bsa bsb bse bsh bsn bsr bss bsy by- bya bye byh byn byr bys eaa eab eae eah ean ear eas eba ebb ebe ebh ebn ebr ebs eby eea eeb eee een eer ees eey eha ehb ehe ehh ehn ehr ehs en- ena enb ene enh enn enr ens eny era erb ere erh ern err ers ery es- esa esb ese esh esn esr ess esy eya eye eyn eyr eys haa hab hae hah han har has hay hba hbb hbe hbh hbn hbr hbs hby he- hea heb hee heh hen her hes hey hha hhb hhe hhh hhn hhr hhs hhy hna hnb hne hnh hnn hns hny hr- hra hrb hre hrh hrn hrr hrs hsa hsb hse hsh hsn hsr hss hsy hy- hya hyb hye hyh hyn hyr hys hyy naa nab nae nah nan nar nas nay nba nbb nbe nbn nbr nbs ne- nea neb nee neh nen ner nes ney nha nhb nhe nhh nhn nhr nhs nhy nna nnb nne nnh nnn nns nra nrb nre nrn nrr nrs nry nsa nsb nse nsh nsn nsr nss nsy nya nye nyn nys nyy ra- raa rab rae rah ran rar ras ray rba rbb rbe rbh rbn rbr rbs re- rea reb ree reh ren rer res rey rh- rha rhb rhe rhh rhn rhr rhs rna rnb rnh rnn rnr rns rny rra rrb rrh rrn rrr rrs rsa rsb rse rsh rsn rsr rss ry- rya rye ryn ryr rys ryy saa sab sae sah san sar sas say sba sbb sbe sbh sbn sbr sbs sby se- sea seb see seh sen ser ses sey sh- sha shb she shh shn shr shs shy sna snb sne snn snr sns sny sr- sra srb sre srh srn srr srs sry ss- ssa ssb sse ssh ssn ssr sss sy- sya syb sye syh syn syr sys yaa yab yae yah yan yar yas yay ybe ybr ybs yby yea yeb yee yeh yen yer yes yey yha yhe yhs yna yne ynn yns yny yra yre yrn yrs ysa ysb yse ysr yss ysy yyb yye yys yyy