a-a a-c a-t aaa aac aaf aak aap aat ac- aca acc acf ack acp act af- afa afc aff afk afp aft aka akc akk akp ap- apa apc apf apk app apt at- ata atc atf atp att c-- caa cac caf cak cap cat cca ccc ccf cck ccp cct cfa cfc cff cfk cfp cft cka ckc ckt cpa cpc cpf cpk cpp cpt cta ctc ctf ctk ctp ctt faa fac faf fak fap fat fca fcc fcf fck fcp fct ffa ffc fff ffk ffp fft fka fkc fkf fkk fkp fkt fpa fpc fpk fpp fpt fta ftc ftf ftk ftp ftt k-t ka- kaa kac kaf kak kap kat kca kcc kck kcp kct kfa kfc kff kkc kkk kkp kkt kpa kpc kpf kpk kpp kpt kta ktc ktf ktk ktp ktt p-p paa pac paf pak pap pat pca pcc pcf pck pcp pct pfa pfc pff pfk pfp pft pka pkc pkf pkp pkt ppa ppc ppf ppk ppp ppt pt- pta ptc ptf ptk ptp ptt taa tac taf tak tap tat tca tcc tcf tck tcp tct tfa tfc tff tfk tfp tft tka tkc tkk tkp tkt tpa tpc tpf tpk tpp tpt tta ttc ttf ttk ttp ttt