-er -ey -th a-a a-b a-t aaa aab aae aah aar aas aat aay ab- aba abb abe abh abr abs abt aby aea aeb aee aeh aer aes aet aey aha ahb ahe ahh ahr ahs aht ahy ar- ara arb are arh arr ars art ary as- asa asb ase ash asr ass ast asy at- ata atb ate ath atr ats att ay- aya aye ayh ayr ays ayt baa bab bae bah bar bas bat bay bba bbb bbe bbh bbr bbs bbt bby be- bea beb bee beh ber bes bet bey bha bhb bhe bhh bhr bhs bht bra brb bre brh brr brs brt bry bsa bsb bse bsh bsr bss bst bsy bta btb bte bth btr bts btt bty by- bya bye byh byr bys byt eaa eab eae eah ear eas eat eba ebb ebe ebh ebr ebs ebt eby eea eeb eee eer ees eet eey eha ehb ehe ehh ehr ehs eht era erb ere erh err ers ert ery es- esa esb ese esh esr ess est esy eta etb ete eth etr ets ett ety eya eye eyr eys eyt haa hab hae hah har has hat hay hba hbb hbe hbh hbr hbs hbt hby he- hea heb hee heh her hes het hey hha hhb hhe hhh hhr hhs hht hhy hr- hra hrb hre hrh hrr hrs hrt hsa hsb hse hsh hsr hss hst hsy hta htb hte hth htr hts htt hty hy- hya hyb hye hyh hyr hys hyt hyy ra- raa rab rae rah rar ras rat ray rba rbb rbe rbh rbr rbs rbt re- rea reb ree reh rer res ret rey rh- rha rhb rhe rhh rhr rhs rht rra rrb rrh rrr rrs rrt rsa rsb rse rsh rsr rss rst rta rtb rte rtr rts rtt rty ry- rya rye ryr rys ryy saa sab sae sah sar sas sat say sba sbb sbe sbh sbr sbs sbt sby se- sea seb see seh ser ses set sey sh- sha shb she shh shr shs sht shy sr- sra srb sre srh srr srs srt sry ss- ssa ssb sse ssh ssr sss sst sta stb ste sth str sts stt sty sy- sya syb sye syh syr sys syt taa tab tae tah tar tas tat tay tba tbb tbe tbh tbr tbs tbt te- tea teb tee teh ter tes tet tey th- tha thb the thh thr ths tht thy tra trb tre trh trr trs trt try tsa tsb tse tsh tsr tss tst tsy tta ttb tte tth ttr tts ttt tty tya tye tyr tys tyt yaa yab yae yah yar yas yat yay ybe ybr ybs yby yea yeb yee yeh yer yes yet yey yha yhe yhs yht yra yre yrs yrt ysa ysb yse ysr yss yst ysy yta yte yth ytr yts ytt yyb yye yys yyt yyy