-al -er a-a a-c a-t aaa aac aae aag aal aap aar aas aat ac- aca acc ace acg acl acp acr acs act aea aec aee aeg ael aep aer aes aet ag- aga agc age agg agl agp agr ags agt al- ala alc ale alg all alp alr als alt ap- apa apc ape apg apl app apr aps apt ar- ara arc are arg arl arp arr ars art as- asa asc ase asg asl asp asr ass ast at- ata atc ate atg atl atp atr ats att c-- caa cac cae cag cal cap car cas cat cca ccc cce ccg ccl ccp ccr ccs cct ce- cea cec cee ceg cel cep cer ces cet cga cgc cge cgg cgl cgp cgr cgs cgt cl- cla clc cle clg cll clp clr cls clt cpa cpc cpe cpg cpl cpp cpr cps cpt cra crc cre crg crl crp crr crs crt csa csc cse csg csl csp csr css cst cta ctc cte ctg ctl ctp ctr cts ctt eaa eac eae eag eal eap ear eas eat ec- eca ecc ece ecg ecl ecr ecs ect eea eec eee eeg eel eep eer ees eet ega egc ege egg egl egp egr egs egt ela elc ele elg ell elp elr els elt ep- epa epc epe epg epl epp epr eps ept era erc ere erg erl erp err ers ert es- esa esc ese esg esl esp esr ess est eta etc ete etg etl etp etr ets ett g-p gaa gac gae gag gal gap gar gas gat gca gcc gce gcg gcl gcp gcr gcs gct ge- gea gec gee geg gel gep ger ges get gga ggc ggg ggp ggr ggs ggt gla glc gle glg gll glp glr gls glt gpa gpc gpe gpg gpl gpp gpr gps gpt gra grc gre grg grl grp grr grs grt gsa gsc gse gsg gsl gsp gsr gss gst gta gtc gte gtg gtl gtp gtr gts gtt l-p la- laa lac lae lag lal lap lar las lat lca lcc lce lcg lcl lcp lcr lcs lct lea lec lee leg lel lep ler les let lga lgc lge lgg lgl lgp lgr lgs lgt lla llc lle llg lll llp llr lls llt lpa lpc lpe lpg lpl lpp lpr lps lpt lra lrc lrg lrp lrr lrs lrt lsa lsc lse lsg lsl lsp lsr lss lst lta ltc lte ltg ltl ltp ltr lts ltt p-p paa pac pae pag pal pap par pas pat pca pcc pce pcg pcl pcp pcr pcs pct pea pec pee peg pel pep per pes pet pga pgc pge pgg pgl pgp pgr pgs pgt pla plc ple plg pll plp plr pls plt ppa ppc ppe ppg ppl ppp ppr pps ppt pra prc pre prg prl prp prr prs prt ps- psa psc pse psg psl psp psr pss pst pt- pta ptc pte ptg ptl ptp ptr pts ptt ra- raa rac rae rag ral rap rar ras rat rca rcc rce rcg rcl rcp rcr rcs rct re- rea rec ree reg rel rep rer res ret rga rgc rge rgg rgp rgr rgs rgt rla rlc rle rlg rll rlp rlr rls rlt rpa rpc rpe rpg rpl rpp rpr rps rpt rra rrc rrg rrl rrp rrr rrs rrt rsa rsc rse rsg rsl rsp rsr rss rst rta rtc rte rtg rtl rtp rtr rts rtt saa sac sae sag sal sap sar sas sat sca scc sce scg scl scp scr scs sct se- sea sec see seg sel sep ser ses set sga sgc sge sgg sgl sgp sgr sgs sgt sla slc sle slg sll slp slr sls slt spa spc spe spg spl spp spr sps spt sr- sra src sre srg srl srp srr srs srt ss- ssa ssc sse ssg ssl ssp ssr sss sst sta stc ste stg stl stp str sts stt taa tac tae tag tal tap tar tas tat tca tcc tce tcg tcl tcp tcr tcs tct te- tea tec tee teg tel tep ter tes tet tga tgc tge tgg tgl tgp tgr tgs tgt tla tlc tle tlg tll tlp tlr tls tlt tpa tpc tpe tpg tpl tpp tpr tps tpt tra trc tre trg trl trp trr trs trt tsa tsc tse tsg tsl tsp tsr tss tst tta ttc tte ttg ttl ttp ttr tts ttt