-al -er a-a a-c a-t aaa aac aae aag aal aan aar aas aat aau ac- aca acc ace acg acl acn acr acs act acu aea aec aee aeg ael aen aer aes aet aeu ag- aga agc age agg agl agn agr ags agt agu al- ala alc ale alg all aln alr als alt alu an- ana anc ane ang anl ann anr ans ant anu ar- ara arc are arg arl arn arr ars art aru as- asa asc ase asg asl asn asr ass ast asu at- ata atc ate atg atl atn atr ats att atu au- aua auc aue aug aul aun aur aus aut c-- caa cac cae cag cal can car cas cat cau cca ccc cce ccg ccl ccn ccr ccs cct ccu ce- cea cec cee ceg cel cen cer ces cet ceu cga cgc cge cgg cgl cgn cgr cgs cgt cgu cl- cla clc cle clg cll cln clr cls clt clu cn- cna cnc cne cng cnl cnn cnr cns cnt cnu cra crc cre crg crl crn crr crs crt cru csa csc cse csg csl csn csr css cst csu cta ctc cte ctg ctl ctn ctr cts ctt ctu cua cuc cue cug cul cun cur cus cut cuu eaa eac eae eag eal ean ear eas eat eau ec- eca ecc ece ecg ecl ecn ecr ecs ect ecu eea eec eee eeg eel een eer ees eet ega egc ege egg egl egn egr egs egt egu ela elc ele elg ell eln elr els elt elu en- ena enc ene eng enl enn enr ens ent enu era erc ere erg erl ern err ers ert eru es- esa esc ese esg esl esn esr ess est esu eta etc ete etg etl etn etr ets ett etu eu- eua euc eue eug eul eun eur eus eut gaa gac gae gag gal gan gar gas gat gau gca gcc gce gcg gcl gcn gcr gcs gct gcu ge- gea gec gee geg gel gen ger ges get geu gga ggc ggg ggn ggr ggs ggt ggu gla glc gle glg gll gln glr gls glt glu gna gnc gne gnl gnn gnr gns gnt gnu gra grc gre grg grl grn grr grs grt gru gsa gsc gse gsg gsl gsn gsr gss gst gsu gta gtc gte gtg gtl gtn gtr gts gtt gtu gu- gua guc gue gug gul gun gur gus gut guu la- laa lac lae lag lal lan lar las lat lau lca lcc lce lcg lcl lcn lcr lcs lct lcu lea lec lee leg lel len ler les let leu lga lgc lge lgg lgl lgn lgr lgs lgt lgu lla llc lle llg lll lln llr lls llt llu lna lnc lne lng lnl lnn lnr lns lnt lnu lra lrc lrg lrn lrr lrs lrt lru lsa lsc lse lsg lsl lsn lsr lss lst lsu lta ltc lte ltg ltl ltr lts ltt ltu lua luc lue lug lul lun lur lus lut luu naa nac nae nag nal nan nar nas nat nau nca ncc nce ncg ncl ncn ncr ncs nct ncu ne- nea nec nee neg nel nen ner nes net neu nga ngc nge ngg ngl ngn ngs ngt ngu nla nlc nle nlg nll nln nlr nls nlt nlu nna nnc nne nng nnl nnn nns nnt nnu nra nrc nre nrg nrl nrn nrr nrs nrt nru nsa nsc nse nsg nsl nsn nsr nss nst nsu nta ntc nte ntg ntn ntr nts ntt ntu nua nuc nue nug nul nun nur nus nut nuu ra- raa rac rae rag ral ran rar ras rat rau rca rcc rce rcg rcl rcn rcr rcs rct rcu re- rea rec ree reg rel ren rer res ret reu rga rgc rge rgg rgn rgr rgs rgt rla rlc rle rlg rll rln rlr rls rlt rlu rna rnc rng rnn rnr rns rnt rnu rra rrc rrg rrl rrn rrr rrs rrt rru rsa rsc rse rsg rsl rsn rsr rss rst rsu rta rtc rte rtg rtl rtn rtr rts rtt rtu rua ruc rue rug run rur rus rut ruu saa sac sae sag sal san sar sas sat sau sca scc sce scg scl scn scr scs sct scu se- sea sec see seg sel sen ser ses set seu sga sgc sge sgg sgl sgn sgr sgs sgt sgu sla slc sle slg sll sln slr sls slt slu sna snc sne sng snl snn snr sns snt snu sr- sra src sre srg srl srn srr srs srt ss- ssa ssc sse ssg ssl ssn ssr sss sst ssu sta stc ste stg stl stn str sts stt stu sua suc sue sug sul sun sur sus sut suu taa tac tae tag tal tan tar tas tat tau tca tcc tce tcg tcl tcn tcr tcs tct tcu te- tea tec tee teg tel ten ter tes tet teu tga tgc tge tgg tgl tgn tgr tgs tgt tgu tla tlc tle tlg tll tln tlr tls tlt tlu tna tnc tne tng tnl tnn tnr tns tnt tra trc tre trg trl trn trr trs trt tru tsa tsc tse tsg tsl tsn tsr tss tst tsu tta ttc tte ttg ttl ttn ttr tts ttt ttu tua tuc tue tug tul tun tur tus tut tuu ua- uaa uac uae uag ual uan uar uas uat uau uca ucc uce ucg ucl ucn ucr ucs uct ucu uea uec uee ueg uel uen uer ues uet uga ugc uge ugg ugl ugn ugr ugs ugt ugu ula ulc ule ulg ull uln ulr uls ult ulu un- una unc une ung unl unn unr uns unt unu ur- ura urc ure urg url urn urr urs urt uru usa usc use usg usl usn usr uss ust usu uta utc ute utl utn utr uts