a-a a-c a-t aaa aac aaf aak aap aar aat ac- aca acc acf ack acp acr act af- afa afc aff afk afp afr aft aka akc akk akp akr ap- apa apc apf apk app apr apt ar- ara arc arf ark arp arr art at- ata atc atf atp atr att c-- caa cac caf cak cap car cat cca ccc ccf cck ccp ccr cct cfa cfc cff cfk cfp cfr cft cka ckc ckt cpa cpc cpf cpk cpp cpr cpt cra crc crf crk crp crr crt cta ctc ctf ctk ctp ctr ctt faa fac faf fak fap far fat fca fcc fcf fck fcp fcr fct ffa ffc fff ffk ffp ffr fft fka fkc fkf fkk fkp fkt fpa fpc fpk fpp fpr fpt fra frc frf frk frp frr frt fta ftc ftf ftk ftp ftr ftt k-t ka- kaa kac kaf kak kap kar kat kca kcc kck kcp kcr kct kfa kfc kff kkc kkk kkp kkr kkt kpa kpc kpf kpk kpp kpr kpt kra krc krf krk krp krr krt kta ktc ktf ktk ktp ktr ktt p-p paa pac paf pak pap par pat pca pcc pcf pck pcp pcr pct pfa pfc pff pfk pfp pfr pft pka pkc pkf pkp pkr pkt ppa ppc ppf ppk ppp ppr ppt pra prc prf prk prp prr prt pt- pta ptc ptf ptk ptp ptr ptt ra- raa rac raf rak rap rar rat rca rcc rcf rcp rcr rct rfa rfc rff rfk rfp rfr rft rkc rkf rkk rkp rkt rpa rpc rpf rpk rpp rpr rpt rra rrc rrf rrk rrp rrr rrt rta rtc rtf rtk rtp rtr rtt taa tac taf tak tap tar tat tca tcc tcf tck tcp tcr tct tfa tfc tff tfk tfp tfr tft tka tkc tkk tkp tkr tkt tpa tpc tpf tpk tpp tpr tpt tra trc trf trk trp trr trt tta ttc ttf ttk ttp ttr ttt