-th a-a a-c a-t aaa aac aah aap aar aas aat ac- aca acc ach acp acr acs act aha ahc ahh ahp ahr ahs aht ap- apa apc aph app apr aps apt ar- ara arc arh arp arr ars art as- asa asc ash asp asr ass ast at- ata atc ath atp atr ats att c-- caa cac cah cap car cas cat cca ccc cch ccp ccr ccs cct ch- cha chc chh chp chr chs cht cpa cpc cph cpp cpr cps cpt cra crc crh crp crr crs crt csa csc csh csp csr css cst cta ctc cth ctp ctr cts ctt haa hac hah hap har has hat hca hcc hch hcp hcr hcs hct hha hhc hhh hhp hhr hhs hht hpa hpc hph hpp hpr hps hpt hr- hra hrc hrh hrp hrr hrs hrt hsa hsc hsh hsp hsr hss hst hta htc hth htp htr hts htt p-p paa pac pah pap par pas pat pca pcc pch pcp pcr pcs pct pha phc php phr phs pht ppa ppc pph ppp ppr pps ppt pra prc prh prp prr prs prt ps- psa psc psh psp psr pss pst pt- pta ptc pth ptp ptr pts ptt ra- raa rac rah rap rar ras rat rca rcc rch rcp rcr rcs rct rh- rha rhc rhh rhp rhr rhs rht rpa rpc rph rpp rpr rps rpt rra rrc rrh rrp rrr rrs rrt rsa rsc rsh rsp rsr rss rst rta rtc rtp rtr rts rtt saa sac sah sap sar sas sat sca scc sch scp scr scs sct sh- sha shc shh shp shr shs sht spa spc sph spp spr sps spt sr- sra src srh srp srr srs srt ss- ssa ssc ssh ssp ssr sss sst sta stc sth stp str sts stt taa tac tah tap tar tas tat tca tcc tch tcp tcr tcs tct th- tha thc thh thp thr ths tht tpa tpc tph tpp tpr tps tpt tra trc trh trp trr trs trt tsa tsc tsh tsp tsr tss tst tta ttc tth ttp ttr tts ttt