-al -er -ol a-a a-c a-t aaa aac aae aag aal aao aar aas aat ac- aca acc ace acg acl aco acr acs act aea aec aee aeg ael aeo aer aes aet ag- aga agc age agg agl ago agr ags agt al- ala alc ale alg all alo alr als alt aoa aoc aoe aog aol aoo aor aos aot ar- ara arc are arg arl aro arr ars art as- asa asc ase asg asl aso asr ass ast at- ata atc ate atg atl ato atr ats att c-- caa cac cae cag cal cao car cas cat cca ccc cce ccg ccl cco ccr ccs cct ce- cea cec cee ceg cel ceo cer ces cet cga cgc cge cgg cgl cgo cgr cgs cgt cl- cla clc cle clg cll clo clr cls clt co- coa coc coe cog col coo cor cos cot cra crc cre crg crl cro crr crs crt csa csc cse csg csl cso csr css cst cta ctc cte ctg ctl cto ctr cts ctt eaa eac eae eag eal eao ear eas eat ec- eca ecc ece ecg ecl eco ecr ecs ect eea eec eee eeg eel eeo eer ees eet ega egc ege egg egl ego egr egs egt ela elc ele elg ell elo elr els elt eo- eoa eoc eoe eog eol eoo eor eos eot era erc ere erg erl ero err ers ert es- esa esc ese esg esl eso esr ess est eta etc ete etg etl eto etr ets ett gaa gac gae gag gal gao gar gas gat gca gcc gce gcg gcl gco gcr gcs gct ge- gea gec gee geg gel geo ger ges get gga ggc ggg ggo ggr ggs ggt gla glc gle glg gll glo glr gls glt goa goc goe gog gol goo gor gos got gra grc gre grg grl gro grr grs grt gsa gsc gse gsg gsl gso gsr gss gst gta gtc gte gtg gtl gto gtr gts gtt la- laa lac lae lag lal lao lar las lat lca lcc lce lcg lcl lco lcr lcs lct lea lec lee leg lel leo ler les let lga lgc lge lgg lgl lgo lgr lgs lgt lla llc lle llg lll llo llr lls llt loa loc loe log lol loo lor los lot lra lrc lrg lro lrr lrs lrt lsa lsc lse lsg lsl lso lsr lss lst lta ltc lte ltg ltl lto ltr lts ltt oaa oac oae oag oal oao oar oas oat oc- oca occ ocg ocl oco ocr ocs oct oea oec oee oeg oel oeo oer oes oet oga ogc oge ogg ogl ogo ogs ogt ola olc ole olg oll olo ols olt oo- ooa ooc oog ool ooo oor oos oot or- ora orc ore org orl oro orr ors ort os- osa osc ose osg osl oso osr oss ost ot- ota otc ote otg otl oto otr ots ott ra- raa rac rae rag ral rao rar ras rat rca rcc rce rcg rcl rco rcr rcs rct re- rea rec ree reg rel reo rer res ret rga rgc rge rgg rgo rgr rgs rgt rla rlc rle rlg rll rlo rlr rls rlt roa roc roe rog rol roo ror ros rot rra rrc rrg rrl rrr rrs rrt rsa rsc rse rsg rsl rso rsr rss rst rta rtc rte rtg rtl rto rtr rts rtt saa sac sae sag sal sao sar sas sat sca scc sce scg scl sco scr scs sct se- sea sec see seg sel seo ser ses set sga sgc sge sgg sgl sgo sgr sgs sgt sla slc sle slg sll slo slr sls slt soa soc soe sog sol soo sor sos sot sr- sra src sre srg srl sro srr srs srt ss- ssa ssc sse ssg ssl sso ssr sss sst sta stc ste stg stl sto str sts stt taa tac tae tag tal tao tar tas tat tca tcc tce tcg tcl tco tcr tcs tct te- tea tec tee teg tel teo ter tes tet tga tgc tge tgg tgl tgo tgr tgs tgt tla tlc tle tlg tll tlo tlr tls tlt to- toa toc toe tog tol too tor tos tot tra trc tre trg trl tro trr trs trt tsa tsc tse tsg tsl tso tsr tss tst tta ttc tte ttg ttl tto ttr tts ttt