-er -ey a-a a-b a-t aaa aab aad aae aar aas aat aau aay ab- aba abb abd abe abr abs abt abu aby ad- ada adb add ade adr ads adt adu ady aea aeb aed aee aer aes aet aeu aey ar- ara arb ard are arr ars art aru ary as- asa asb asd ase asr ass ast asu asy at- ata atb atd ate atr ats att atu au- aua aub aud aue aur aus aut ay- aya ayd aye ayr ays ayt ayu b-u baa bab bad bae bar bas bat bau bay bba bbb bbd bbe bbr bbs bbt bbu bby bda bdb bdd bde bdr bds bdt bdu bdy be- bea beb bed bee ber bes bet beu bey bra brb brd bre brr brs brt bru bry bsa bsb bsd bse bsr bss bst bsu bsy bta btb btd bte btr bts btt btu bty bua bub bud bue bur bus but buu buy by- bya byd bye byr bys byt byu daa dab dad dae dar das dat dau day dba dbb dbd dbe dbr dbs dbt dbu dby dda ddb ddd dde ddr dds ddt ddu ddy de- dea deb ded dee der des det deu dey dra drb drd dre drr drs drt dru dry dsa dsb dsd dse dsr dss dst dsu dsy dta dtb dtd dte dtr dts dtt dtu dty dua dub dud due dur dus dut duy dy- dya dyb dyd dye dyr dys dyu dyy eaa eab ead eae ear eas eat eau eba ebb ebd ebe ebr ebs ebt ebu eby ed- eda edb edd ede edr eds edt edu edy eea eeb eed eee eer ees eet eey era erb erd ere err ers ert eru ery es- esa esb esd ese esr ess est esu esy eta etb etd ete etr ets ett etu ety eu- eua eub eud eue eur eus eut eya eyd eye eyr eys eyt ra- raa rab rad rae rar ras rat rau ray rba rbb rbd rbe rbr rbs rbt rbu rda rdb rdd rde rdr rds rdt rdu rdy re- rea reb red ree rer res ret reu rey rra rrb rrd rrr rrs rrt rru rsa rsb rsd rse rsr rss rst rsu rta rtb rtd rte rtr rts rtt rtu rty rua rub rud rue rur rus rut ruu ruy ry- rya ryd rye ryr rys ryu ryy saa sab sad sae sar sas sat sau say sba sbb sbd sbe sbr sbs sbt sbu sby sda sdb sdd sde sdr sds sdt sdu sdy se- sea seb sed see ser ses set seu sey sr- sra srb srd sre srr srs srt sry ss- ssa ssb ssd sse ssr sss sst ssu sta stb std ste str sts stt stu sty sua sub sud sue sur sus sut suu suy sy- sya syb syd sye syr sys syt syu taa tab tad tae tar tas tat tau tay tba tbb tbd tbe tbr tbs tbt tbu tda tdb tdd tde tdr tds tdt tdu tdy te- tea teb ted tee ter tes tet teu tey tra trb trd tre trr trs trt tru try tsa tsb tsd tse tsr tss tst tsu tsy tta ttb ttd tte ttr tts ttt ttu tty tua tub tud tue tur tus tut tuu tuy tya tyd tye tyr tys tyt ua- uaa uab uad uae uar uas uat uau uay uba ubb ube ubr ubs ubt ubu uby uda udb udd ude udr uds udt udu uea ueb ued uee uer ues uet uey ur- ura urb urd ure urr urs urt uru ury usa usb usd use usr uss ust usu uta utb utd ute utr uts utt utu uty uua uue uur uus uut uuu uys uyu yaa yab yad yae yar yas yat yau yay ybe ybr ybs yby yda yde yds ydt ydy yea yeb yed yee yer yes yet yey yra yre yrs yrt yru ysa ysb yse ysr yss yst ysu ysy yta ytd yte ytr yts ytt ytu yua yud yue yur yus yut yuu yuy yyb yye yys yyt yyu yyy