-al -er -ol a-a a-c a-t aaa aac aae aag aak aal aao aar aas aat ac- aca acc ace acg ack acl aco acr acs act aea aec aee aeg aek ael aeo aer aes aet ag- aga agc age agg agk agl ago agr ags agt aka akc ake akg akk akl ako akr aks al- ala alc ale alg alk all alo alr als alt aoa aoc aoe aog aok aol aoo aor aos aot ar- ara arc are arg ark arl aro arr ars art as- asa asc ase asg ask asl aso asr ass ast at- ata atc ate atg atl ato atr ats att c-- caa cac cae cag cak cal cao car cas cat cca ccc cce ccg cck ccl cco ccr ccs cct ce- cea cec cee ceg cek cel ceo cer ces cet cga cgc cge cgg cgl cgo cgr cgs cgt cka ckc cko cks ckt cl- cla clc cle clg clk cll clo clr cls clt co- coa coc coe cog cok col coo cor cos cot cra crc cre crg crk crl cro crr crs crt csa csc cse csg csk csl cso csr css cst cta ctc cte ctg ctk ctl cto ctr cts ctt eaa eac eae eag eak eal eao ear eas eat ec- eca ecc ece ecg eck ecl eco ecr ecs ect eea eec eee eeg eek eel eeo eer ees eet ega egc ege egg egl ego egr egs egt eka ekc eke ekg ekl eko ekr eks ekt ela elc ele elg elk ell elo elr els elt eo- eoa eoc eoe eog eok eol eoo eor eos eot era erc ere erg erk erl ero err ers ert es- esa esc ese esg esk esl eso esr ess est eta etc ete etg etk etl eto etr ets ett gaa gac gae gag gak gal gao gar gas gat gca gcc gce gcg gck gcl gco gcr gcs gct ge- gea gec gee geg gek gel geo ger ges get gga ggc ggg ggo ggr ggs ggt gka gko gks gkt gla glc gle glg glk gll glo glr gls glt goa goc goe gog gok gol goo gor gos got gra grc gre grg grk grl gro grr grs grt gsa gsc gse gsg gsk gsl gso gsr gss gst gta gtc gte gtg gtk gtl gto gtr gts gtt k-t ka- kaa kac kae kag kak kal kao kar kas kat kca kcc kce kcg kck kcl kcr kcs kct ke- kea kec kee keg kek kel keo ker kes ket kga kgc kgl kgo kgs kkc kke kkk kkl kkr kks kkt kl- kla klc klg klo klr kls klt koa koc koe kog kok kol koo kor kos kot kra krc krg krk krl kro krr krs krt ksa ksc kse ksg ksk ksl kso ksr kss kst kta ktc kte ktg ktk ktl kto ktr kts ktt la- laa lac lae lag lak lal lao lar las lat lca lcc lce lcg lck lcl lco lcr lcs lct lea lec lee leg lek lel leo ler les let lga lgc lge lgg lgk lgl lgo lgr lgs lgt lka lkg lkl lkr lks lkt lla llc lle llg llk lll llo llr lls llt loa loc loe log lok lol loo lor los lot lra lrc lrg lrk lro lrr lrs lrt lsa lsc lse lsg lsk lsl lso lsr lss lst lta ltc lte ltg ltk ltl lto ltr lts ltt oaa oac oae oag oak oal oao oar oas oat oc- oca occ ocg ock ocl oco ocr ocs oct oea oec oee oeg oel oeo oer oes oet oga ogc oge ogg ogl ogo ogs ogt oka okc oke okg okk okl oko okr oks ola olc ole olg olk oll olo ols olt oo- ooa ooc oog ook ool ooo oor oos oot or- ora orc ore org ork orl oro orr ors ort os- osa osc ose osg osk osl oso osr oss ost ot- ota otc ote otg otk otl oto otr ots ott ra- raa rac rae rag rak ral rao rar ras rat rca rcc rce rcg rcl rco rcr rcs rct re- rea rec ree reg rek rel reo rer res ret rga rgc rge rgg rgk rgo rgr rgs rgt rkc rke rkg rkk rko rks rkt rla rlc rle rlg rll rlo rlr rls rlt roa roc roe rog rok rol roo ror ros rot rra rrc rrg rrk rrl rrr rrs rrt rsa rsc rse rsg rsk rsl rso rsr rss rst rta rtc rte rtg rtk rtl rto rtr rts rtt saa sac sae sag sak sal sao sar sas sat sca scc sce scg sck scl sco scr scs sct se- sea sec see seg sek sel seo ser ses set sga sgc sge sgg sgk sgl sgo sgr sgs sgt sk- ska skc ske skg skk skl sko skr sks skt sla slc sle slg slk sll slo slr sls slt soa soc soe sog sok sol soo sor sos sot sr- sra src sre srg srk srl sro srr srs srt ss- ssa ssc sse ssg ssk ssl sso ssr sss sst sta stc ste stg stk stl sto str sts stt taa tac tae tag tak tal tao tar tas tat tca tcc tce tcg tck tcl tco tcr tcs tct te- tea tec tee teg tek tel teo ter tes tet tga tgc tge tgg tgk tgl tgo tgr tgs tgt tka tkc tke tkg tkk tkl tko tkr tks tkt tla tlc tle tlg tlk tll tlo tlr tls tlt to- toa toc toe tog tok tol too tor tos tot tra trc tre trg trk trl tro trr trs trt tsa tsc tse tsg tsk tsl tso tsr tss tst tta ttc tte ttg ttk ttl tto ttr tts ttt