a-a a-c a-t aaa aac aaf aag aao aap aar aat aay ac- aca acc acf acg aco acp acr act acy af- afa afc aff afg afo afp afr aft afy ag- aga agc agf agg ago agp agr agt agy aoa aoc aof aog aoo aop aor aot ap- apa apc apf apg apo app apr apt apy ar- ara arc arf arg aro arp arr art ary at- ata atc atf atg ato atp atr att ay- aya ayc ayf ayo ayp ayr ayt c-- caa cac caf cag cao cap car cat cay cca ccc ccf ccg cco ccp ccr cct cfa cfc cff cfg cfo cfp cfr cft cga cgc cgg cgo cgp cgr cgt cgy co- coa coc cof cog coo cop cor cot coy cpa cpc cpf cpg cpo cpp cpr cpt cra crc crf crg cro crp crr crt cry cta ctc ctf ctg cto ctp ctr ctt cty cya cyc cyf cyg cyo cyp cyr cyt faa fac faf fag fao fap far fat fay fca fcc fcf fcg fco fcp fcr fct fcy ffa ffc fff ffg ffo ffp ffr fft ffy fga fgc fgf fgg fgp fgr fgt foa foc fof fog foo fop for fot foy fpa fpc fpg fpo fpp fpr fpt fpy fra frc frf frg fro frp frr frt fry fta ftc ftf ftg fto ftp ftr ftt fty fy- fya fyc fyo fyp g-p gaa gac gaf gag gao gap gar gat gay gca gcc gcf gcg gco gcp gcr gct gfa gfc gff gfo gfp gfr gft gfy gga ggc ggg ggo ggp ggr ggt goa goc gof gog goo gop gor got goy gpa gpc gpf gpg gpo gpp gpr gpt gra grc grf grg gro grp grr grt gry gta gtc gtf gtg gto gtp gtr gtt gty gy- gya gyf gyo gyp gyr oaa oac oaf oag oao oap oar oat oc- oca occ ocf ocg oco ocp ocr oct of- ofa ofc off ofg ofo ofp ofr oft oga ogc ogf ogg ogo ogp ogt ogy oo- ooa ooc oof oog ooo oop oor oot op- opa opc opf opg opo opp opr opt opy or- ora orc orf org oro orp orr ort ory ot- ota otc otf otg oto otp otr ott oya oyo p-p paa pac paf pag pao pap par pat pay pca pcc pcf pcg pco pcp pcr pct pfa pfc pff pfg pfo pfp pfr pft pfy pga pgc pgf pgg pgo pgp pgr pgt pgy poa poc pof pog poo pop por pot poy ppa ppc ppf ppg ppo ppp ppr ppt pra prc prf prg pro prp prr prt pry pt- pta ptc ptf ptg pto ptp ptr ptt pty py- pya pyc pyf pyg pyo pyr pyt ra- raa rac raf rag rao rap rar rat ray rca rcc rcf rcg rco rcp rcr rct rfa rfc rff rfg rfo rfp rfr rft rga rgc rgf rgg rgo rgp rgr rgt roa roc rof rog roo rop ror rot roy rpa rpc rpf rpg rpo rpp rpr rpt rra rrc rrf rrg rrp rrr rrt rta rtc rtf rtg rto rtp rtr rtt rty ry- rya ryc ryf ryg ryo ryr ryy taa tac taf tag tao tap tar tat tay tca tcc tcf tcg tco tcp tcr tct tfa tfc tff tfg tfo tfp tfr tft tga tgc tgf tgg tgo tgp tgr tgt tgy to- toa toc tof tog too top tor tot toy tpa tpc tpf tpg tpo tpp tpr tpt tra trc trf trg tro trp trr trt try tta ttc ttf ttg tto ttp ttr ttt tty tya tyc tyf tyg tyo typ tyr tyt yaa yac yaf yag yao yap yar yat yay yca ycc ycf yco ycp ycy yfa yfc yff yfr yft yga ygc ygo yoc yof yog yoo yop yor yot yoy ypa ypf ypg ypo yra yrc yrf yrg yro yrp yrt yta ytc ytf yto ytp ytr ytt yyc yyf yyg yyt yyy