-th a-a a-c a-t aaa aac aah aap aar aat ac- aca acc ach acp acr act aha ahc ahh ahp ahr aht ap- apa apc aph app apr apt ar- ara arc arh arp arr art at- ata atc ath atp atr att c-- caa cac cah cap car cat cca ccc cch ccp ccr cct ch- cha chc chh chp chr cht cpa cpc cph cpp cpr cpt cra crc crh crp crr crt cta ctc cth ctp ctr ctt haa hac hah hap har hat hca hcc hch hcp hcr hct hha hhc hhh hhp hhr hht hpa hpc hph hpp hpr hpt hr- hra hrc hrh hrp hrr hrt hta htc hth htp htr htt p-p paa pac pah pap par pat pca pcc pch pcp pcr pct pha phc php phr pht ppa ppc pph ppp ppr ppt pra prc prh prp prr prt pt- pta ptc pth ptp ptr ptt ra- raa rac rah rap rar rat rca rcc rch rcp rcr rct rh- rha rhc rhh rhp rhr rht rpa rpc rph rpp rpr rpt rra rrc rrh rrp rrr rrt rta rtc rtp rtr rtt taa tac tah tap tar tat tca tcc tch tcp tcr tct th- tha thc thh thp thr tht tpa tpc tph tpp tpr tpt tra trc trh trp trr trt tta ttc tth ttp ttr ttt