-er -ey a-a a-b a-t aaa aab aae aaj aao aar aas aat aay ab- aba abb abe abj abo abr abs abt aby aea aeb aee aej aeo aer aes aet aey aja ajb aje ajj ajo ajr ajs ajt ajy aoa aob aoe aoj aoo aor aos aot ar- ara arb are arj aro arr ars art ary as- asa asb ase asj aso asr ass ast asy at- ata atb ate ato atr ats att ay- aya aye ayo ayr ays ayt baa bab bae baj bao bar bas bat bay bba bbb bbe bbo bbr bbs bbt bby be- bea beb bee beo ber bes bet bey bja bjj bjr bjs bjt boa bob boe boj boo bor bos bot boy bra brb bre brj bro brr brs brt bry bsa bsb bse bsj bso bsr bss bst bsy bta btb bte bto btr bts btt bty by- bya bye byj byo byr bys byt eaa eab eae eaj eao ear eas eat eba ebb ebe ebj ebo ebr ebs ebt eby eea eeb eee eeo eer ees eet eey eja ejo ejt eo- eoa eob eoe eoo eor eos eot era erb ere ero err ers ert ery es- esa esb ese eso esr ess est esy eta etb ete etj eto etr ets ett ety eya eye eyo eyr eys eyt jaa jab jae jaj jao jar jas jat jay jba jbj jbo jbr jbs jbt jea jeb jee jej jeo jer jes jet jey jja jjb jjj jjr jjs jjy joa job joe joj joo jor jos jot joy jra jrb jro jrr jrs jrt jsa jsb jse jsj jso jsr jss jst jsy jta jtb jte jtr jts jtt jty jyj jyr jys oaa oab oae oaj oao oar oas oat ob- oba obb obe obj obo obr obs obt oby oea oeb oee oeo oer oes oet oey oja ojb oje ojo ojs ojy oo- ooa oob ooo oor oos oot or- ora orb ore oro orr ors ort ory os- osa osb ose osj oso osr oss ost ot- ota otb ote oto otr ots ott oya oye oyo oys ra- raa rab rae raj rao rar ras rat ray rba rbb rbe rbo rbr rbs rbt re- rea reb ree reo rer res ret rey rja rjr roa rob roe roj roo ror ros rot roy rra rrb rrr rrs rrt rsa rsb rse rsj rso rsr rss rst rta rtb rte rtj rto rtr rts rtt rty ry- rya rye ryo ryr rys ryy saa sab sae saj sao sar sas sat say sba sbb sbe sbj sbo sbr sbs sbt sby se- sea seb see sej seo ser ses set sey sja sjb sje sjj sjr sjs sjt soa sob soe soj soo sor sos sot soy sr- sra srb sre srj sro srr srs srt sry ss- ssa ssb sse ssj sso ssr sss sst sta stb ste stj sto str sts stt sty sy- sya syb sye syr sys syt taa tab tae taj tao tar tas tat tay tba tbb tbe tbj tbo tbr tbs tbt te- tea teb tee tej teo ter tes tet tey tje tjo tjr tjs to- toa tob toe toj too tor tos tot toy tra trb tre tro trr trs trt try tsa tsb tse tsj tso tsr tss tst tsy tta ttb tte tto ttr tts ttt tty tya tye tyo tyr tys tyt yaa yab yae yao yar yas yat yay ybe ybr ybs yby yea yeb yee yeo yer yes yet yey yob yoe yoj yoo yor yos yot yoy yra yre yro yrs yrt ysa ysb yse ysj yso ysr yss yst ysy yta yte yto ytr yts ytt yyb yye yys yyt yyy