-er -ey a-a a-c a-t aaa aac aae aag aar aat aaw aay ac- aca acc ace acg acr act acw acy aea aec aee aeg aer aet aew aey ag- aga agc age agg agr agt agw agy ar- ara arc are arg arr art arw ary at- ata atc ate atg atr att atw aw- awa awc awe awg awr awt aww awy ay- aya ayc aye ayr ayt ayw c-- caa cac cae cag car cat caw cay cca ccc cce ccg ccr cct ccw ce- cea cec cee ceg cer cet cew cey cga cgc cge cgg cgr cgt cgw cgy cra crc cre crg crr crt crw cry cta ctc cte ctg ctr ctt ctw cty cw- cwa cwc cwe cwg cwr cwt cya cyc cye cyg cyr cyt cyw eaa eac eae eag ear eat eaw ec- eca ecc ece ecg ecr ect ecw eea eec eee eeg eer eet eew eey ega egc ege egg egr egt egw egy era erc ere erg err ert erw ery eta etc ete etg etr ett etw ety ewa ewc ewe ewr ewt eww ewy eya eyc eye eyr eyt gaa gac gae gag gar gat gaw gay gca gcc gce gcg gcr gct gcw ge- gea gec gee geg ger get gew gey gga ggc ggg ggr ggt ggw gra grc gre grg grr grt grw gry gta gtc gte gtg gtr gtt gtw gty gwa gwc gwe gwg gwr gwt gy- gya gye gyr ra- raa rac rae rag rar rat raw ray rca rcc rce rcg rcr rct rcw re- rea rec ree reg rer ret rew rey rga rgc rge rgg rgr rgt rgw rra rrc rrg rrr rrt rta rtc rte rtg rtr rtt rtw rty rwa rwc rwe rwr rwy ry- rya ryc rye ryg ryr ryy taa tac tae tag tar tat taw tay tca tcc tce tcg tcr tct tcw te- tea tec tee teg ter tet tew tey tga tgc tge tgg tgr tgt tgy tra trc tre trg trr trt trw try tta ttc tte ttg ttr ttt ttw tty twa twc twe twg twr twt tww twy tya tyc tye tyg tyr tyt waa wac wae wag war wat waw way wca wcc wce wcg wcr wct wcw wea wec wee weg wer wet wew wey wga wgc wgr wgt wgw wgy wr- wra wrc wre wrg wrr wrt wrw wry wta wtc wtr wtt wtw wwa wwc wwe wwt www wy- wya wyc wye wyr wyt yaa yac yae yag yar yat yaw yay yca ycc yce ycw ycy yea yec yee yeg yer yet yew yey yga ygc yra yrc yre yrg yrt yta ytc yte ytr ytt ywc ywg yyc yye yyg yyt yyy