a-a a-c a-t aaa aac aad aag aak aao aar aat ac- aca acc acd acg ack aco acr act ad- ada adc add adg adk ado adr adt ag- aga agc agd agg agk ago agr agt aka akc akd akg akk ako akr aoa aoc aod aog aok aoo aor aot ar- ara arc ard arg ark aro arr art at- ata atc atd atg ato atr att c-- caa cac cad cag cak cao car cat cca ccc ccd ccg cck cco ccr cct cda cdc cdd cdg cdk cdo cdr cdt cga cgc cgd cgg cgo cgr cgt cka ckc ckd cko ckt co- coa coc cod cog cok coo cor cot cra crc crd crg crk cro crr crt cta ctc ctd ctg ctk cto ctr ctt daa dac dad dag dak dao dar dat dca dcc dcd dcg dck dco dcr dct dda ddc ddd ddg ddk ddo ddr ddt dga dgc dgd dgg dgk dgr dgt dka dkc dkg dkk dko dkr dkt doa doc dod dog dok doo dor dot dra drc drd drg drk dro drr drt dta dtc dtd dtg dtk dto dtr dtt g-d gaa gac gad gag gak gao gar gat gca gcc gcd gcg gck gco gcr gct gda gdc gdd gdk gdo gdr gdt gga ggc ggd ggg ggo ggr ggt gka gkd gko gkt goa goc god gog gok goo gor got gra grc grd grg grk gro grr grt gta gtc gtd gtg gtk gto gtr gtt k-t ka- kaa kac kad kag kak kao kar kat kca kcc kcd kcg kck kcr kct kda kdc kdg kdk kdo kdr kdt kga kgc kgd kgo kkc kkk kkr kkt koa koc kod kog kok koo kor kot kra krc krd krg krk kro krr krt kta ktc ktg ktk kto ktr ktt oaa oac oad oag oak oao oar oat oc- oca occ ocd ocg ock oco ocr oct oda odc odd odg odo odr odt oga ogc ogd ogg ogo ogt oka okc okd okg okk oko okr oo- ooa ooc ood oog ook ooo oor oot or- ora orc ord org ork oro orr ort ot- ota otc otd otg otk oto otr ott ra- raa rac rad rag rak rao rar rat rca rcc rcd rcg rco rcr rct rda rdc rdd rdg rdo rdr rdt rga rgc rgd rgg rgk rgo rgr rgt rkc rkg rkk rko rkt roa roc rod rog rok roo ror rot rra rrc rrd rrg rrk rrr rrt rta rtc rtd rtg rtk rto rtr rtt taa tac tad tag tak tao tar tat tca tcc tcd tcg tck tco tcr tct tda tdc tdd tdg tdk tdo tdr tdt tga tgc tgg tgk tgo tgr tgt tka tkc tkg tkk tko tkr tkt to- toa toc tod tog tok too tor tot tra trc trd trg trk tro trr trt tta ttc ttd ttg ttk tto ttr ttt