-er -th a-a a-c a-t aaa aac aad aae aah aak aap aar aat ac- aca acc acd ace ach ack acp acr act ad- ada adc add ade adh adk adp adr adt aea aec aed aee aeh aek aep aer aet aha ahc ahd ahe ahh ahk ahp ahr aht aka akc akd ake akh akk akp akr ap- apa apc apd ape aph apk app apr apt ar- ara arc ard are arh ark arp arr art at- ata atc atd ate ath atp atr att c-- caa cac cad cae cah cak cap car cat cca ccc ccd cce cch cck ccp ccr cct cda cdc cdd cde cdh cdk cdp cdr cdt ce- cea cec ced cee ceh cek cep cer cet ch- cha chc chd che chh chk chp chr cht cka ckc ckd ckh ckt cpa cpc cpd cpe cph cpk cpp cpr cpt cra crc crd cre crh crk crp crr crt cta ctc ctd cte cth ctk ctp ctr ctt daa dac dad dae dah dak dap dar dat dca dcc dcd dce dck dcp dcr dct dda ddc ddd dde ddh ddk ddp ddr ddt de- dea dec ded dee deh dek dep der det dh- dha dhc dhd dhe dhh dhk dhp dhr dht dka dkc dke dkk dkp dkr dkt dpa dpc dpd dpe dph dpk dpp dpr dpt dra drc drd dre drk drp drr drt dta dtc dtd dte dth dtk dtp dtr dtt eaa eac ead eae eah eak eap ear eat ec- eca ecc ecd ece ech eck ecr ect ed- eda edc edd ede edh edk edp edr edt eea eec eed eee eek eep eer eet eha ehc ehd ehe ehh ehp ehr eht eka ekc ekd eke ekh ekp ekr ekt ep- epa epc epd epe eph epp epr ept era erc erd ere erh erk erp err ert eta etc etd ete eth etk etp etr ett haa hac had hae hah hak hap har hat hca hcc hcd hce hch hck hcp hcr hct hda hdc hdd hde hdh hdk hdp hdr hdt he- hea hec hed hee heh hek hep her het hha hhc hhd hhe hhh hhk hhp hhr hht hka hkd hkh hkk hkp hkr hkt hpa hpc hpd hpe hph hpk hpp hpr hpt hr- hra hrc hrd hre hrh hrk hrp hrr hrt hta htc htd hte hth htk htp htr htt k-t ka- kaa kac kad kae kah kak kap kar kat kca kcc kcd kce kch kck kcp kcr kct kda kdc kde kdh kdk kdp kdr kdt ke- kea kec ked kee keh kek kep ker ket kha khe khh khk khr kkc kke kkh kkk kkp kkr kkt kpa kpc kpd kpe kph kpk kpp kpr kpt kra krc krd krk krp krr krt kta ktc kte kth ktk ktp ktr ktt p-p paa pac pad pae pah pak pap par pat pca pcc pcd pce pch pck pcp pcr pct pda pdc pdd pde pdh pdk pdp pdr pdt pea pec ped pee peh pek pep per pet pha phc phd phe phk php phr pht pka pkc pkd pke pkp pkr pkt ppa ppc ppd ppe pph ppk ppp ppr ppt pra prc prd pre prh prk prp prr prt pt- pta ptc ptd pte pth ptk ptp ptr ptt ra- raa rac rad rae rah rak rap rar rat rca rcc rcd rce rch rcp rcr rct rda rdc rdd rde rdh rdp rdr rdt re- rea rec red ree reh rek rep rer ret rh- rha rhc rhd rhe rhh rhp rhr rht rkc rke rkk rkp rkt rpa rpc rpd rpe rph rpk rpp rpr rpt rra rrc rrd rrh rrk rrp rrr rrt rta rtc rtd rte rtk rtp rtr rtt taa tac tad tae tah tak tap tar tat tca tcc tcd tce tch tck tcp tcr tct tda tdc tdd tde tdh tdk tdp tdr tdt te- tea tec ted tee teh tek tep ter tet th- tha thc thd the thh thk thp thr tht tka tkc tke tkk tkp tkr tkt tpa tpc tpd tpe tph tpk tpp tpr tpt tra trc trd tre trh trk trp trr trt tta ttc ttd tte tth ttk ttp ttr ttt