-ey a-a a-b a-c a-t aaa aab aac aae aas aat aaw aay ab- aba abb abc abe abs abt abw aby ac- aca acb acc ace acs act acw acy aea aeb aec aee aes aet aew aey as- asa asb asc ase ass ast asw asy at- ata atb atc ate ats att atw aw- awa awb awc awe aws awt aww awy ay- aya ayc aye ays ayt ayw baa bab bac bae bas bat baw bay bba bbb bbc bbe bbs bbt bbw bby bca bcb bcc bce bcs bct bcy be- bea beb bec bee bes bet bew bey bsa bsb bsc bse bss bst bsw bsy bta btb btc bte bts btt btw bty bwa bwb bwc bws bwy by- bya byc bye bys byt c-- caa cab cac cae cas cat caw cay cba cbb cbc cbe cbs cbt cbw cby cca ccb ccc cce ccs cct ccw ce- cea ceb cec cee ces cet cew cey csa csb csc cse css cst csw csy cta ctb ctc cte cts ctt ctw cty cw- cwa cwb cwc cwe cws cwt cya cyb cyc cye cys cyt cyw eaa eab eac eae eas eat eaw eba ebb ebc ebe ebs ebt ebw eby ec- eca ecb ecc ece ecs ect ecw eea eeb eec eee ees eet eew eey es- esa esb esc ese ess est esw esy eta etb etc ete ets ett etw ety ewa ewb ewc ewe ews ewt eww ewy eya eyc eye eys eyt saa sab sac sae sas sat saw say sba sbb sbc sbe sbs sbt sbw sby sca scb scc sce scs sct scw se- sea seb sec see ses set sew sey ss- ssa ssb ssc sse sss sst ssw sta stb stc ste sts stt stw sty swa swb swc swe sws swt swy sy- sya syb syc sye sys syt taa tab tac tae tas tat taw tay tba tbb tbc tbe tbs tbt tca tcb tcc tce tcs tct tcw te- tea teb tec tee tes tet tew tey tsa tsb tsc tse tss tst tsw tsy tta ttb ttc tte tts ttt ttw tty twa twb twc twe tws twt tww twy tya tyc tye tys tyt waa wab wac wae was wat waw way wba wbb wbc wbe wbs wbt wbw wca wcb wcc wce wcs wct wcw wea web wec wee wes wet wew wey wsa wsb wsc wse wss wst wsw wta wtb wtc wts wtt wtw wwa wwc wwe wwt www wy- wya wyc wye wys wyt yaa yab yac yae yas yat yaw yay ybc ybe ybs yby yca ycc yce ycs ycw ycy yea yeb yec yee yes yet yew yey ysa ysb ysc yse yss yst ysy yta ytc yte yts ytt ywc yyb yyc yye yys yyt yyy