a-a a-c a-t aaa aac aag aak aao aar aas aat aau ac- aca acc acg ack aco acr acs act acu ag- aga agc agg agk ago agr ags agt agu aka akc akg akk ako akr aks aku aoa aoc aog aok aoo aor aos aot aou ar- ara arc arg ark aro arr ars art aru as- asa asc asg ask aso asr ass ast asu at- ata atc atg ato atr ats att atu au- aua auc aug auk auo aur aus aut c-- caa cac cag cak cao car cas cat cau cca ccc ccg cck cco ccr ccs cct ccu cga cgc cgg cgo cgr cgs cgt cgu cka ckc cko cks ckt co- coa coc cog cok coo cor cos cot cou cra crc crg crk cro crr crs crt cru csa csc csg csk cso csr css cst csu cta ctc ctg ctk cto ctr cts ctt ctu cua cuc cug cuk cuo cur cus cut cuu gaa gac gag gak gao gar gas gat gau gca gcc gcg gck gco gcr gcs gct gcu gga ggc ggg ggo ggr ggs ggt ggu gka gko gks gkt goa goc gog gok goo gor gos got gou gra grc grg grk gro grr grs grt gru gsa gsc gsg gsk gso gsr gss gst gsu gta gtc gtg gtk gto gtr gts gtt gtu gu- gua guc gug guk guo gur gus gut guu k-t ka- kaa kac kag kak kao kar kas kat kau kca kcc kcg kck kcr kcs kct kcu kga kgc kgo kgs kgu kkc kkk kkr kks kkt kku koa koc kog kok koo kor kos kot kou kra krc krg krk kro krr krs krt kru ksa ksc ksg ksk kso ksr kss kst ksu kta ktc ktg ktk kto ktr kts ktt ktu kuc kug kuk kur kus kut kuu oaa oac oag oak oao oar oas oat oau oc- oca occ ocg ock oco ocr ocs oct ocu oga ogc ogg ogo ogs ogt oka okc okg okk oko okr oks oku oo- ooa ooc oog ook ooo oor oos oot or- ora orc org ork oro orr ors ort oru os- osa osc osg osk oso osr oss ost osu ot- ota otc otg otk oto otr ots ott otu ou- oua ouc ouk ouo our ous out ra- raa rac rag rak rao rar ras rat rau rca rcc rcg rco rcr rcs rct rcu rga rgc rgg rgk rgo rgr rgs rgt rkc rkg rkk rko rks rkt rku roa roc rog rok roo ror ros rot rou rra rrc rrg rrk rrr rrs rrt rru rsa rsc rsg rsk rso rsr rss rst rsu rta rtc rtg rtk rto rtr rts rtt rtu rua ruc rug ruk ruo rur rus rut ruu saa sac sag sak sao sar sas sat sau sca scc scg sck sco scr scs sct scu sga sgc sgg sgk sgo sgr sgs sgt sgu sk- ska skc skg skk sko skr sks skt sku soa soc sog sok soo sor sos sot sou sr- sra src srg srk sro srr srs srt ss- ssa ssc ssg ssk sso ssr sss sst ssu sta stc stg stk sto str sts stt stu sua suc sug suk suo sur sus sut suu taa tac tag tak tao tar tas tat tau tca tcc tcg tck tco tcr tcs tct tcu tga tgc tgg tgk tgo tgr tgs tgt tgu tka tkc tkg tkk tko tkr tks tkt to- toa toc tog tok too tor tos tot tou tra trc trg trk tro trr trs trt tru tsa tsc tsg tsk tso tsr tss tst tsu tta ttc ttg ttk tto ttr tts ttt ttu tua tuc tug tuk tuo tur tus tut tuu ua- uaa uac uag uak uao uar uas uat uau uca ucc ucg uck uco ucr ucs uct ucu uga ugc ugg ugk ugo ugr ugs ugt ugu uka ukc ukk ukr uku uoa uoc uog uok uoo uor uos uot ur- ura urc urg urk uro urr urs urt uru usa usc usg usk uso usr uss ust usu uta utc utk uto utr uts utt utu uua uuc uug uur uus uut uuu