-al -ol a-a a-c a-t aaa aac aag aak aal aao aar aat ac- aca acc acg ack acl aco acr act ag- aga agc agg agk agl ago agr agt aka akc akg akk akl ako akr al- ala alc alg alk all alo alr alt aoa aoc aog aok aol aoo aor aot ar- ara arc arg ark arl aro arr art at- ata atc atg atl ato atr att c-- caa cac cag cak cal cao car cat cca ccc ccg cck ccl cco ccr cct cga cgc cgg cgl cgo cgr cgt cka ckc cko ckt cl- cla clc clg clk cll clo clr clt co- coa coc cog cok col coo cor cot cra crc crg crk crl cro crr crt cta ctc ctg ctk ctl cto ctr ctt gaa gac gag gak gal gao gar gat gca gcc gcg gck gcl gco gcr gct gga ggc ggg ggo ggr ggt gka gko gkt gla glc glg glk gll glo glr glt goa goc gog gok gol goo gor got gra grc grg grk grl gro grr grt gta gtc gtg gtk gtl gto gtr gtt k-t ka- kaa kac kag kak kal kao kar kat kca kcc kcg kck kcl kcr kct kga kgc kgl kgo kkc kkk kkl kkr kkt kl- kla klc klg klo klr klt koa koc kog kok kol koo kor kot kra krc krg krk krl kro krr krt kta ktc ktg ktk ktl kto ktr ktt la- laa lac lag lak lal lao lar lat lca lcc lcg lck lcl lco lcr lct lga lgc lgg lgk lgl lgo lgr lgt lka lkg lkl lkr lkt lla llc llg llk lll llo llr llt loa loc log lok lol loo lor lot lra lrc lrg lrk lro lrr lrt lta ltc ltg ltk ltl lto ltr ltt oaa oac oag oak oal oao oar oat oc- oca occ ocg ock ocl oco ocr oct oga ogc ogg ogl ogo ogt oka okc okg okk okl oko okr ola olc olg olk oll olo olt oo- ooa ooc oog ook ool ooo oor oot or- ora orc org ork orl oro orr ort ot- ota otc otg otk otl oto otr ott ra- raa rac rag rak ral rao rar rat rca rcc rcg rcl rco rcr rct rga rgc rgg rgk rgo rgr rgt rkc rkg rkk rko rkt rla rlc rlg rll rlo rlr rlt roa roc rog rok rol roo ror rot rra rrc rrg rrk rrl rrr rrt rta rtc rtg rtk rtl rto rtr rtt taa tac tag tak tal tao tar tat tca tcc tcg tck tcl tco tcr tct tga tgc tgg tgk tgl tgo tgr tgt tka tkc tkg tkk tkl tko tkr tkt tla tlc tlg tlk tll tlo tlr tlt to- toa toc tog tok tol too tor tot tra trc trg trk trl tro trr trt tta ttc ttg ttk ttl tto ttr ttt