-al -er a-a a-c a-t aaa aac aae aag aal aar aas aat aau ac- aca acc ace acg acl acr acs act acu aea aec aee aeg ael aer aes aet aeu ag- aga agc age agg agl agr ags agt agu al- ala alc ale alg all alr als alt alu ar- ara arc are arg arl arr ars art aru as- asa asc ase asg asl asr ass ast asu at- ata atc ate atg atl atr ats att atu au- aua auc aue aug aul aur aus aut c-- caa cac cae cag cal car cas cat cau cca ccc cce ccg ccl ccr ccs cct ccu ce- cea cec cee ceg cel cer ces cet ceu cga cgc cge cgg cgl cgr cgs cgt cgu cl- cla clc cle clg cll clr cls clt clu cra crc cre crg crl crr crs crt cru csa csc cse csg csl csr css cst csu cta ctc cte ctg ctl ctr cts ctt ctu cua cuc cue cug cul cur cus cut cuu eaa eac eae eag eal ear eas eat eau ec- eca ecc ece ecg ecl ecr ecs ect ecu eea eec eee eeg eel eer ees eet ega egc ege egg egl egr egs egt egu ela elc ele elg ell elr els elt elu era erc ere erg erl err ers ert eru es- esa esc ese esg esl esr ess est esu eta etc ete etg etl etr ets ett etu eu- eua euc eue eug eul eur eus eut gaa gac gae gag gal gar gas gat gau gca gcc gce gcg gcl gcr gcs gct gcu ge- gea gec gee geg gel ger ges get geu gga ggc ggg ggr ggs ggt ggu gla glc gle glg gll glr gls glt glu gra grc gre grg grl grr grs grt gru gsa gsc gse gsg gsl gsr gss gst gsu gta gtc gte gtg gtl gtr gts gtt gtu gu- gua guc gue gug gul gur gus gut guu la- laa lac lae lag lal lar las lat lau lca lcc lce lcg lcl lcr lcs lct lcu lea lec lee leg lel ler les let leu lga lgc lge lgg lgl lgr lgs lgt lgu lla llc lle llg lll llr lls llt llu lra lrc lrg lrr lrs lrt lru lsa lsc lse lsg lsl lsr lss lst lsu lta ltc lte ltg ltl ltr lts ltt ltu lua luc lue lug lul lur lus lut luu ra- raa rac rae rag ral rar ras rat rau rca rcc rce rcg rcl rcr rcs rct rcu re- rea rec ree reg rel rer res ret reu rga rgc rge rgg rgr rgs rgt rla rlc rle rlg rll rlr rls rlt rlu rra rrc rrg rrl rrr rrs rrt rru rsa rsc rse rsg rsl rsr rss rst rsu rta rtc rte rtg rtl rtr rts rtt rtu rua ruc rue rug rur rus rut ruu saa sac sae sag sal sar sas sat sau sca scc sce scg scl scr scs sct scu se- sea sec see seg sel ser ses set seu sga sgc sge sgg sgl sgr sgs sgt sgu sla slc sle slg sll slr sls slt slu sr- sra src sre srg srl srr srs srt ss- ssa ssc sse ssg ssl ssr sss sst ssu sta stc ste stg stl str sts stt stu sua suc sue sug sul sur sus sut suu taa tac tae tag tal tar tas tat tau tca tcc tce tcg tcl tcr tcs tct tcu te- tea tec tee teg tel ter tes tet teu tga tgc tge tgg tgl tgr tgs tgt tgu tla tlc tle tlg tll tlr tls tlt tlu tra trc tre trg trl trr trs trt tru tsa tsc tse tsg tsl tsr tss tst tsu tta ttc tte ttg ttl ttr tts ttt ttu tua tuc tue tug tul tur tus tut tuu ua- uaa uac uae uag ual uar uas uat uau uca ucc uce ucg ucl ucr ucs uct ucu uea uec uee ueg uel uer ues uet uga ugc uge ugg ugl ugr ugs ugt ugu ula ulc ule ulg ull ulr uls ult ulu ur- ura urc ure urg url urr urs urt uru usa usc use usg usl usr uss ust usu uta utc ute utl utr uts utt utu uua uuc uue uug uur uus uut uuu