-er -ey a-a a-b a-t aaa aab aae aar aas aat aau aax aay ab- aba abb abe abr abs abt abu abx aby aea aeb aee aer aes aet aeu aex aey ar- ara arb are arr ars art aru arx ary as- asa asb ase asr ass ast asu asx asy at- ata atb ate atr ats att atu atx au- aua aub aue aur aus aut aux ax- axa axe axr axs axt axx ay- aya aye ayr ays ayt ayu ayx b-u baa bab bae bar bas bat bau bax bay bba bbb bbe bbr bbs bbt bbu bbx bby be- bea beb bee ber bes bet beu bex bey bra brb bre brr brs brt bru brx bry bsa bsb bse bsr bss bst bsu bsx bsy bta btb bte btr bts btt btu btx bty bua bub bue bur bus but buu bux buy bxb bxx by- bya bye byr bys byt byu eaa eab eae ear eas eat eau eax eba ebb ebe ebr ebs ebt ebu ebx eby eea eeb eee eer ees eet eex eey era erb ere err ers ert eru ery es- esa esb ese esr ess est esu esx esy eta etb ete etr ets ett etu etx ety eu- eua eub eue eur eus eut eux ex- exa exe exr exs ext exu exx exy eya eye eyr eys eyt ra- raa rab rae rar ras rat rau rax ray rba rbb rbe rbr rbs rbt rbu rbx re- rea reb ree rer res ret reu rex rey rra rrb rrr rrs rrt rru rsa rsb rse rsr rss rst rsu rsx rta rtb rte rtr rts rtt rtu rtx rty rua rub rue rur rus rut ruu rux ruy rxr rxs ry- rya rye ryr rys ryu ryy saa sab sae sar sas sat sau sax say sba sbb sbe sbr sbs sbt sbu sbx sby se- sea seb see ser ses set seu sex sey sr- sra srb sre srr srs srt srx sry ss- ssa ssb sse ssr sss sst ssu ssx sta stb ste str sts stt stu stx sty sua sub sue sur sus sut suu sux suy sxs sxt sxu sy- sya syb sye syr sys syt syu syx t-x taa tab tae tar tas tat tau tax tay tba tbb tbe tbr tbs tbt tbu te- tea teb tee ter tes tet teu tex tey tra trb tre trr trs trt tru trx try tsa tsb tse tsr tss tst tsu tsx tsy tta ttb tte ttr tts ttt ttu ttx tty tua tub tue tur tus tut tuu tux tuy txe txs txt txu tya tye tyr tys tyt ua- uaa uab uae uar uas uat uau uay uba ubb ube ubr ubs ubt ubu ubx uby uea ueb uee uer ues uet uey ur- ura urb ure urr urs urt uru urx ury usa usb use usr uss ust usu usx uta utb ute utr uts utt utu utx uty uua uue uur uus uut uuu uxb uxr uxt uxu uys uyu xaa xar xas xat xau xbe xbr xbx xee xer xes xet xeu xex xrt xrx xry xsa xsb xss xst xtr xts xtx xty xue xus xxx xxy xyr xyy yaa yab yae yar yas yat yau yax yay ybe ybr ybs yby yea yeb yee yer yes yet yex yey yra yre yrs yrt yru ysa ysb yse ysr yss yst ysu ysy yta yte ytr yts ytt ytu yua yue yur yus yut yuu yux yuy yxa yxe yxy yyb yye yys yyt yyu yyy