a-a a-t aaa aad aag aao aap aat ad- ada add adg ado adp adt ag- aga agd agg ago agp agt aoa aod aog aoo aop aot ap- apa apd apg apo app apt at- ata atd atg ato atp att daa dad dag dao dap dat dda ddd ddg ddo ddp ddt dga dgd dgg dgp dgt doa dod dog doo dop dot dpa dpd dpg dpo dpp dpt dta dtd dtg dto dtp dtt g-d g-p gaa gad gag gao gap gat gda gdd gdo gdp gdt gga ggd ggg ggo ggp ggt goa god gog goo gop got gpa gpd gpg gpo gpp gpt gta gtd gtg gto gtp gtt oaa oad oag oao oap oat oda odd odg odo odp odt oga ogd ogg ogo ogp ogt oo- ooa ood oog ooo oop oot op- opa opd opg opo opp opt ot- ota otd otg oto otp ott p-p paa pad pag pao pap pat pda pdd pdg pdo pdp pdt pga pgd pgg pgo pgp pgt poa pod pog poo pop pot ppa ppd ppg ppo ppp ppt pt- pta ptd ptg pto ptp ptt taa tad tag tao tap tat tda tdd tdg tdo tdp tdt tga tgg tgo tgp tgt to- toa tod tog too top tot tpa tpd tpg tpo tpp tpt tta ttd ttg tto ttp ttt