-al -ol a-a a-c a-t aaa aac aag aal aao aar aas aat aau ac- aca acc acg acl aco acr acs act acu ag- aga agc agg agl ago agr ags agt agu al- ala alc alg all alo alr als alt alu aoa aoc aog aol aoo aor aos aot aou ar- ara arc arg arl aro arr ars art aru as- asa asc asg asl aso asr ass ast asu at- ata atc atg atl ato atr ats att atu au- aua auc aug aul auo aur aus aut c-- caa cac cag cal cao car cas cat cau cca ccc ccg ccl cco ccr ccs cct ccu cga cgc cgg cgl cgo cgr cgs cgt cgu cl- cla clc clg cll clo clr cls clt clu co- coa coc cog col coo cor cos cot cou cra crc crg crl cro crr crs crt cru csa csc csg csl cso csr css cst csu cta ctc ctg ctl cto ctr cts ctt ctu cua cuc cug cul cuo cur cus cut cuu gaa gac gag gal gao gar gas gat gau gca gcc gcg gcl gco gcr gcs gct gcu gga ggc ggg ggo ggr ggs ggt ggu gla glc glg gll glo glr gls glt glu goa goc gog gol goo gor gos got gou gra grc grg grl gro grr grs grt gru gsa gsc gsg gsl gso gsr gss gst gsu gta gtc gtg gtl gto gtr gts gtt gtu gu- gua guc gug gul guo gur gus gut guu la- laa lac lag lal lao lar las lat lau lca lcc lcg lcl lco lcr lcs lct lcu lga lgc lgg lgl lgo lgr lgs lgt lgu lla llc llg lll llo llr lls llt llu loa loc log lol loo lor los lot lou lra lrc lrg lro lrr lrs lrt lru lsa lsc lsg lsl lso lsr lss lst lsu lta ltc ltg ltl lto ltr lts ltt ltu lua luc lug lul luo lur lus lut luu oaa oac oag oal oao oar oas oat oau oc- oca occ ocg ocl oco ocr ocs oct ocu oga ogc ogg ogl ogo ogs ogt ola olc olg oll olo ols olt olu oo- ooa ooc oog ool ooo oor oos oot or- ora orc org orl oro orr ors ort oru os- osa osc osg osl oso osr oss ost osu ot- ota otc otg otl oto otr ots ott otu ou- oua ouc oul ouo our ous out ra- raa rac rag ral rao rar ras rat rau rca rcc rcg rcl rco rcr rcs rct rcu rga rgc rgg rgo rgr rgs rgt rla rlc rlg rll rlo rlr rls rlt rlu roa roc rog rol roo ror ros rot rou rra rrc rrg rrl rrr rrs rrt rru rsa rsc rsg rsl rso rsr rss rst rsu rta rtc rtg rtl rto rtr rts rtt rtu rua ruc rug ruo rur rus rut ruu saa sac sag sal sao sar sas sat sau sca scc scg scl sco scr scs sct scu sga sgc sgg sgl sgo sgr sgs sgt sgu sla slc slg sll slo slr sls slt slu soa soc sog sol soo sor sos sot sou sr- sra src srg srl sro srr srs srt ss- ssa ssc ssg ssl sso ssr sss sst ssu sta stc stg stl sto str sts stt stu sua suc sug sul suo sur sus sut suu taa tac tag tal tao tar tas tat tau tca tcc tcg tcl tco tcr tcs tct tcu tga tgc tgg tgl tgo tgr tgs tgt tgu tla tlc tlg tll tlo tlr tls tlt tlu to- toa toc tog tol too tor tos tot tou tra trc trg trl tro trr trs trt tru tsa tsc tsg tsl tso tsr tss tst tsu tta ttc ttg ttl tto ttr tts ttt ttu tua tuc tug tul tuo tur tus tut tuu ua- uaa uac uag ual uao uar uas uat uau uca ucc ucg ucl uco ucr ucs uct ucu uga ugc ugg ugl ugo ugr ugs ugt ugu ula ulc ulg ull ulo ulr uls ult ulu uoa uoc uog uol uoo uor uos uot ur- ura urc urg url uro urr urs urt uru usa usc usg usl uso usr uss ust usu uta utc utl uto utr uts utt utu uua uuc uug uur uus uut uuu