-er -th a-a a-c a-t aaa aac aae aah aak aap aar aat ac- aca acc ace ach ack acp acr act aea aec aee aeh aek aep aer aet aha ahc ahe ahh ahk ahp ahr aht aka akc ake akh akk akp akr ap- apa apc ape aph apk app apr apt ar- ara arc are arh ark arp arr art at- ata atc ate ath atp atr att c-- caa cac cae cah cak cap car cat cca ccc cce cch cck ccp ccr cct ce- cea cec cee ceh cek cep cer cet ch- cha chc che chh chk chp chr cht cka ckc ckh ckt cpa cpc cpe cph cpk cpp cpr cpt cra crc cre crh crk crp crr crt cta ctc cte cth ctk ctp ctr ctt eaa eac eae eah eak eap ear eat ec- eca ecc ece ech eck ecr ect eea eec eee eek eep eer eet eha ehc ehe ehh ehp ehr eht eka ekc eke ekh ekp ekr ekt ep- epa epc epe eph epp epr ept era erc ere erh erk erp err ert eta etc ete eth etk etp etr ett haa hac hae hah hak hap har hat hca hcc hce hch hck hcp hcr hct he- hea hec hee heh hek hep her het hha hhc hhe hhh hhk hhp hhr hht hka hkh hkk hkp hkr hkt hpa hpc hpe hph hpk hpp hpr hpt hr- hra hrc hre hrh hrk hrp hrr hrt hta htc hte hth htk htp htr htt k-t ka- kaa kac kae kah kak kap kar kat kca kcc kce kch kck kcp kcr kct ke- kea kec kee keh kek kep ker ket kha khe khh khk khr kkc kke kkh kkk kkp kkr kkt kpa kpc kpe kph kpk kpp kpr kpt kra krc krk krp krr krt kta ktc kte kth ktk ktp ktr ktt p-p paa pac pae pah pak pap par pat pca pcc pce pch pck pcp pcr pct pea pec pee peh pek pep per pet pha phc phe phk php phr pht pka pkc pke pkp pkr pkt ppa ppc ppe pph ppk ppp ppr ppt pra prc pre prh prk prp prr prt pt- pta ptc pte pth ptk ptp ptr ptt ra- raa rac rae rah rak rap rar rat rca rcc rce rch rcp rcr rct re- rea rec ree reh rek rep rer ret rh- rha rhc rhe rhh rhp rhr rht rkc rke rkk rkp rkt rpa rpc rpe rph rpk rpp rpr rpt rra rrc rrh rrk rrp rrr rrt rta rtc rte rtk rtp rtr rtt taa tac tae tah tak tap tar tat tca tcc tce tch tck tcp tcr tct te- tea tec tee teh tek tep ter tet th- tha thc the thh thk thp thr tht tka tkc tke tkk tkp tkr tkt tpa tpc tpe tph tpk tpp tpr tpt tra trc tre trh trk trp trr trt tta ttc tte tth ttk ttp ttr ttt