-ey a-a a-b a-c a-t aaa aab aac aae aag aat aaw aay ab- aba abb abc abe abg abt abw aby ac- aca acb acc ace acg act acw acy aea aeb aec aee aeg aet aew aey ag- aga agb agc age agg agt agw agy at- ata atb atc ate atg att atw aw- awa awb awc awe awg awt aww awy ay- aya ayc aye ayt ayw baa bab bac bae bag bat baw bay bba bbb bbc bbe bbg bbt bbw bby bca bcb bcc bce bcg bct bcy be- bea beb bec bee beg bet bew bey bga bgb bgc bge bgg bgt bgw bta btb btc bte btg btt btw bty bwa bwb bwc bwg bwy by- bya byc bye byg byt c-- caa cab cac cae cag cat caw cay cba cbb cbc cbe cbg cbt cbw cby cca ccb ccc cce ccg cct ccw ce- cea ceb cec cee ceg cet cew cey cga cgb cgc cge cgg cgt cgw cgy cta ctb ctc cte ctg ctt ctw cty cw- cwa cwb cwc cwe cwg cwt cya cyb cyc cye cyg cyt cyw eaa eab eac eae eag eat eaw eba ebb ebc ebe ebg ebt ebw eby ec- eca ecb ecc ece ecg ect ecw eea eeb eec eee eeg eet eew eey ega egb egc ege egg egt egw egy eta etb etc ete etg ett etw ety ewa ewb ewc ewe ewt eww ewy eya eyc eye eyt gaa gab gac gae gag gat gaw gay gba gbc gbe gbg gbt gbw gby gca gcb gcc gce gcg gct gcw ge- gea geb gec gee geg get gew gey gga ggb ggc ggg ggt ggw gta gtb gtc gte gtg gtt gtw gty gwa gwb gwc gwe gwg gwt gy- gya gyb gye taa tab tac tae tag tat taw tay tba tbb tbc tbe tbg tbt tca tcb tcc tce tcg tct tcw te- tea teb tec tee teg tet tew tey tga tgb tgc tge tgg tgt tgy tta ttb ttc tte ttg ttt ttw tty twa twb twc twe twg twt tww twy tya tyc tye tyg tyt waa wab wac wae wag wat waw way wba wbb wbc wbe wbg wbt wbw wca wcb wcc wce wcg wct wcw wea web wec wee weg wet wew wey wga wgb wgc wgt wgw wgy wta wtb wtc wtt wtw wwa wwc wwe wwt www wy- wya wyc wye wyt yaa yab yac yae yag yat yaw yay ybc ybe ybg yby yca ycc yce ycw ycy yea yeb yec yee yeg yet yew yey yga ygc yta ytc yte ytt ywc ywg yyb yyc yye yyg yyt yyy