-al -ol a-a a-c a-t aaa aac aag aak aal aao aar aas aat ac- aca acc acg ack acl aco acr acs act ag- aga agc agg agk agl ago agr ags agt aka akc akg akk akl ako akr aks al- ala alc alg alk all alo alr als alt aoa aoc aog aok aol aoo aor aos aot ar- ara arc arg ark arl aro arr ars art as- asa asc asg ask asl aso asr ass ast at- ata atc atg atl ato atr ats att c-- caa cac cag cak cal cao car cas cat cca ccc ccg cck ccl cco ccr ccs cct cga cgc cgg cgl cgo cgr cgs cgt cka ckc cko cks ckt cl- cla clc clg clk cll clo clr cls clt co- coa coc cog cok col coo cor cos cot cra crc crg crk crl cro crr crs crt csa csc csg csk csl cso csr css cst cta ctc ctg ctk ctl cto ctr cts ctt gaa gac gag gak gal gao gar gas gat gca gcc gcg gck gcl gco gcr gcs gct gga ggc ggg ggo ggr ggs ggt gka gko gks gkt gla glc glg glk gll glo glr gls glt goa goc gog gok gol goo gor gos got gra grc grg grk grl gro grr grs grt gsa gsc gsg gsk gsl gso gsr gss gst gta gtc gtg gtk gtl gto gtr gts gtt k-t ka- kaa kac kag kak kal kao kar kas kat kca kcc kcg kck kcl kcr kcs kct kga kgc kgl kgo kgs kkc kkk kkl kkr kks kkt kl- kla klc klg klo klr kls klt koa koc kog kok kol koo kor kos kot kra krc krg krk krl kro krr krs krt ksa ksc ksg ksk ksl kso ksr kss kst kta ktc ktg ktk ktl kto ktr kts ktt la- laa lac lag lak lal lao lar las lat lca lcc lcg lck lcl lco lcr lcs lct lga lgc lgg lgk lgl lgo lgr lgs lgt lka lkg lkl lkr lks lkt lla llc llg llk lll llo llr lls llt loa loc log lok lol loo lor los lot lra lrc lrg lrk lro lrr lrs lrt lsa lsc lsg lsk lsl lso lsr lss lst lta ltc ltg ltk ltl lto ltr lts ltt oaa oac oag oak oal oao oar oas oat oc- oca occ ocg ock ocl oco ocr ocs oct oga ogc ogg ogl ogo ogs ogt oka okc okg okk okl oko okr oks ola olc olg olk oll olo ols olt oo- ooa ooc oog ook ool ooo oor oos oot or- ora orc org ork orl oro orr ors ort os- osa osc osg osk osl oso osr oss ost ot- ota otc otg otk otl oto otr ots ott ra- raa rac rag rak ral rao rar ras rat rca rcc rcg rcl rco rcr rcs rct rga rgc rgg rgk rgo rgr rgs rgt rkc rkg rkk rko rks rkt rla rlc rlg rll rlo rlr rls rlt roa roc rog rok rol roo ror ros rot rra rrc rrg rrk rrl rrr rrs rrt rsa rsc rsg rsk rsl rso rsr rss rst rta rtc rtg rtk rtl rto rtr rts rtt saa sac sag sak sal sao sar sas sat sca scc scg sck scl sco scr scs sct sga sgc sgg sgk sgl sgo sgr sgs sgt sk- ska skc skg skk skl sko skr sks skt sla slc slg slk sll slo slr sls slt soa soc sog sok sol soo sor sos sot sr- sra src srg srk srl sro srr srs srt ss- ssa ssc ssg ssk ssl sso ssr sss sst sta stc stg stk stl sto str sts stt taa tac tag tak tal tao tar tas tat tca tcc tcg tck tcl tco tcr tcs tct tga tgc tgg tgk tgl tgo tgr tgs tgt tka tkc tkg tkk tkl tko tkr tks tkt tla tlc tlg tlk tll tlo tlr tls tlt to- toa toc tog tok tol too tor tos tot tra trc trg trk trl tro trr trs trt tsa tsc tsg tsk tsl tso tsr tss tst tta ttc ttg ttk ttl tto ttr tts ttt