-er -ey a-a a-b a-t aaa aab aae aar aas aat aav aay ab- aba abb abe abr abs abt abv aby aea aeb aee aer aes aet aev aey ar- ara arb are arr ars art arv ary as- asa asb ase asr ass ast asv asy at- ata atb ate atr ats att atv av- ava avb ave avr avs avt avy ay- aya aye ayr ays ayt baa bab bae bar bas bat bav bay bba bbb bbe bbr bbs bbt bby be- bea beb bee ber bes bet bev bey bra brb bre brr brs brt brv bry bsa bsb bse bsr bss bst bsv bsy bta btb bte btr bts btt btv bty bva bvb bve bvr bvs bvt bvv by- bya bye byr bys byt eaa eab eae ear eas eat eav eba ebb ebe ebr ebs ebt ebv eby eea eeb eee eer ees eet eev eey era erb ere err ers ert erv ery es- esa esb ese esr ess est esv esy eta etb ete etr ets ett etv ety eva evb eve evr evs evt evv evy eya eye eyr eys eyt ra- raa rab rae rar ras rat rav ray rba rbb rbe rbr rbs rbt re- rea reb ree rer res ret rev rey rra rrb rrr rrs rrt rsa rsb rse rsr rss rst rsv rta rtb rte rtr rts rtt rtv rty rva rvb rve rvr rvs rvt rvv rvy ry- rya rye ryr rys ryy saa sab sae sar sas sat sav say sba sbb sbe sbr sbs sbt sbv sby se- sea seb see ser ses set sev sey sr- sra srb sre srr srs srt srv sry ss- ssa ssb sse ssr sss sst ssv sta stb ste str sts stt stv sty sva svb sve svr svs svt svv svy sy- sya syb sye syr sys syt taa tab tae tar tas tat tav tay tba tbb tbe tbr tbs tbt tbv te- tea teb tee ter tes tet tev tey tra trb tre trr trs trt trv try tsa tsb tse tsr tss tst tsv tsy tta ttb tte ttr tts ttt ttv tty tva tvb tve tvr tvs tvt tvy tya tye tyr tys tyt v-a v-e vaa vab vae var vas vat vav vay vba vbr vbs vbv vea veb vee ver ves vet vey vra vrb vre vrr vrs vrt vry vsa vsb vse vsr vss vst vsv vta vtb vte vtr vts vtt vtv vty vva vvb vvr vvs vvt vvv vye vyt yaa yab yae yar yas yat yav yay ybe ybr ybs yby yea yeb yee yer yes yet yev yey yra yre yrs yrt ysa ysb yse ysr yss yst ysy yta yte ytr yts ytt ytv yva yve yvr yvy yyb yye yys yyt yyy