-er -ey -th a-a a-c a-t aaa aac aae aag aah aar aat aay ac- aca acc ace acg ach acr act acy aea aec aee aeg aeh aer aet aey ag- aga agc age agg agh agr agt agy aha ahc ahe ahg ahh ahr aht ahy ar- ara arc are arg arh arr art ary at- ata atc ate atg ath atr att ay- aya ayc aye ayh ayr ayt c-- caa cac cae cag cah car cat cay cca ccc cce ccg cch ccr cct ce- cea cec cee ceg ceh cer cet cey cga cgc cge cgg cgh cgr cgt cgy ch- cha chc che chg chh chr cht chy cra crc cre crg crh crr crt cry cta ctc cte ctg cth ctr ctt cty cya cyc cye cyg cyr cyt eaa eac eae eag eah ear eat ec- eca ecc ece ecg ech ecr ect eea eec eee eeg eer eet eey ega egc ege egg egh egr egt egy eha ehc ehe ehg ehh ehr eht era erc ere erg erh err ert ery eta etc ete etg eth etr ett ety eya eyc eye eyr eyt gaa gac gae gag gah gar gat gay gca gcc gce gcg gch gcr gct ge- gea gec gee geg geh ger get gey gga ggc ggg ggh ggr ggt gha ghc ghe ghg ghh ghr ght gra grc gre grg grh grr grt gry gta gtc gte gtg gth gtr gtt gty gy- gya gye gyr haa hac hae hag hah har hat hay hca hcc hce hcg hch hcr hct hcy he- hea hec hee heg heh her het hey hga hgc hge hgg hgh hgr hgt hgy hha hhc hhe hhg hhh hhr hht hhy hr- hra hrc hre hrg hrh hrr hrt hta htc hte htg hth htr htt hty hy- hya hyc hye hyg hyh hyr hyt hyy ra- raa rac rae rag rah rar rat ray rca rcc rce rcg rch rcr rct re- rea rec ree reg reh rer ret rey rga rgc rge rgg rgh rgr rgt rh- rha rhc rhe rhg rhh rhr rht rra rrc rrg rrh rrr rrt rta rtc rte rtg rtr rtt rty ry- rya ryc rye ryg ryr ryy taa tac tae tag tah tar tat tay tca tcc tce tcg tch tcr tct te- tea tec tee teg teh ter tet tey tga tgc tge tgg tgh tgr tgt tgy th- tha thc the thg thh thr tht thy tra trc tre trg trh trr trt try tta ttc tte ttg tth ttr ttt tty tya tyc tye tyg tyr tyt yaa yac yae yag yah yar yat yay yca ycc yce ych ycy yea yec yee yeg yeh yer yet yey yga ygc yha yhc yhe yht yra yrc yre yrg yrt yta ytc yte yth ytr ytt yyc yye yyg yyt yyy