a-a a-c a-t aaa aac aad aak aap aar aat ac- aca acc acd ack acp acr act ad- ada adc add adk adp adr adt aka akc akd akk akp akr ap- apa apc apd apk app apr apt ar- ara arc ard ark arp arr art at- ata atc atd atp atr att c-- caa cac cad cak cap car cat cca ccc ccd cck ccp ccr cct cda cdc cdd cdk cdp cdr cdt cka ckc ckd ckt cpa cpc cpd cpk cpp cpr cpt cra crc crd crk crp crr crt cta ctc ctd ctk ctp ctr ctt daa dac dad dak dap dar dat dca dcc dcd dck dcp dcr dct dda ddc ddd ddk ddp ddr ddt dka dkc dkk dkp dkr dkt dpa dpc dpd dpk dpp dpr dpt dra drc drd drk drp drr drt dta dtc dtd dtk dtp dtr dtt k-t ka- kaa kac kad kak kap kar kat kca kcc kcd kck kcp kcr kct kda kdc kdk kdp kdr kdt kkc kkk kkp kkr kkt kpa kpc kpd kpk kpp kpr kpt kra krc krd krk krp krr krt kta ktc ktk ktp ktr ktt p-p paa pac pad pak pap par pat pca pcc pcd pck pcp pcr pct pda pdc pdd pdk pdp pdr pdt pka pkc pkd pkp pkr pkt ppa ppc ppd ppk ppp ppr ppt pra prc prd prk prp prr prt pt- pta ptc ptd ptk ptp ptr ptt ra- raa rac rad rak rap rar rat rca rcc rcd rcp rcr rct rda rdc rdd rdp rdr rdt rkc rkk rkp rkt rpa rpc rpd rpk rpp rpr rpt rra rrc rrd rrk rrp rrr rrt rta rtc rtd rtk rtp rtr rtt taa tac tad tak tap tar tat tca tcc tcd tck tcp tcr tct tda tdc tdd tdk tdp tdr tdt tka tkc tkk tkp tkr tkt tpa tpc tpd tpk tpp tpr tpt tra trc trd trk trp trr trt tta ttc ttd ttk ttp ttr ttt