-al -er a-a a-c a-t aaa aac aae aag aal aan aar aat aau ac- aca acc ace acg acl acn acr act acu aea aec aee aeg ael aen aer aet aeu ag- aga agc age agg agl agn agr agt agu al- ala alc ale alg all aln alr alt alu an- ana anc ane ang anl ann anr ant anu ar- ara arc are arg arl arn arr art aru at- ata atc ate atg atl atn atr att atu au- aua auc aue aug aul aun aur aut c-- caa cac cae cag cal can car cat cau cca ccc cce ccg ccl ccn ccr cct ccu ce- cea cec cee ceg cel cen cer cet ceu cga cgc cge cgg cgl cgn cgr cgt cgu cl- cla clc cle clg cll cln clr clt clu cn- cna cnc cne cng cnl cnn cnr cnt cnu cra crc cre crg crl crn crr crt cru cta ctc cte ctg ctl ctn ctr ctt ctu cua cuc cue cug cul cun cur cut cuu eaa eac eae eag eal ean ear eat eau ec- eca ecc ece ecg ecl ecn ecr ect ecu eea eec eee eeg eel een eer eet ega egc ege egg egl egn egr egt egu ela elc ele elg ell eln elr elt elu en- ena enc ene eng enl enn enr ent enu era erc ere erg erl ern err ert eru eta etc ete etg etl etn etr ett etu eu- eua euc eue eug eul eun eur eut gaa gac gae gag gal gan gar gat gau gca gcc gce gcg gcl gcn gcr gct gcu ge- gea gec gee geg gel gen ger get geu gga ggc ggg ggn ggr ggt ggu gla glc gle glg gll gln glr glt glu gna gnc gne gnl gnn gnr gnt gnu gra grc gre grg grl grn grr grt gru gta gtc gte gtg gtl gtn gtr gtt gtu gu- gua guc gue gug gul gun gur gut guu la- laa lac lae lag lal lan lar lat lau lca lcc lce lcg lcl lcn lcr lct lcu lea lec lee leg lel len ler let leu lga lgc lge lgg lgl lgn lgr lgt lgu lla llc lle llg lll lln llr llt llu lna lnc lne lng lnl lnn lnr lnt lnu lra lrc lrg lrn lrr lrt lru lta ltc lte ltg ltl ltr ltt ltu lua luc lue lug lul lun lur lut luu naa nac nae nag nal nan nar nat nau nca ncc nce ncg ncl ncn ncr nct ncu ne- nea nec nee neg nel nen ner net neu nga ngc nge ngg ngl ngn ngt ngu nla nlc nle nlg nll nln nlr nlt nlu nna nnc nne nng nnl nnn nnt nnu nra nrc nre nrg nrl nrn nrr nrt nru nta ntc nte ntg ntn ntr ntt ntu nua nuc nue nug nul nun nur nut nuu ra- raa rac rae rag ral ran rar rat rau rca rcc rce rcg rcl rcn rcr rct rcu re- rea rec ree reg rel ren rer ret reu rga rgc rge rgg rgn rgr rgt rla rlc rle rlg rll rln rlr rlt rlu rna rnc rng rnn rnr rnt rnu rra rrc rrg rrl rrn rrr rrt rru rta rtc rte rtg rtl rtn rtr rtt rtu rua ruc rue rug run rur rut ruu taa tac tae tag tal tan tar tat tau tca tcc tce tcg tcl tcn tcr tct tcu te- tea tec tee teg tel ten ter tet teu tga tgc tge tgg tgl tgn tgr tgt tgu tla tlc tle tlg tll tln tlr tlt tlu tna tnc tne tng tnl tnn tnr tnt tra trc tre trg trl trn trr trt tru tta ttc tte ttg ttl ttn ttr ttt ttu tua tuc tue tug tul tun tur tut tuu ua- uaa uac uae uag ual uan uar uat uau uca ucc uce ucg ucl ucn ucr uct ucu uea uec uee ueg uel uen uer uet uga ugc uge ugg ugl ugn ugr ugt ugu ula ulc ule ulg ull uln ulr ult ulu un- una unc une ung unl unn unr unt unu ur- ura urc ure urg url urn urr urt uru uta utc ute utl utn utr utt utu uua uuc uue uug uun uur uut uuu