-er -th a-a a-c a-t aaa aac aad aae aaf aah aap aar aat ac- aca acc acd ace acf ach acp acr act ad- ada adc add ade adf adh adp adr adt aea aec aed aee aef aeh aep aer aet af- afa afc afd afe aff afh afp afr aft aha ahc ahd ahe ahf ahh ahp ahr aht ap- apa apc apd ape apf aph app apr apt ar- ara arc ard are arf arh arp arr art at- ata atc atd ate atf ath atp atr att c-- caa cac cad cae caf cah cap car cat cca ccc ccd cce ccf cch ccp ccr cct cda cdc cdd cde cdf cdh cdp cdr cdt ce- cea cec ced cee cef ceh cep cer cet cfa cfc cfd cfe cff cfh cfp cfr cft ch- cha chc chd che chf chh chp chr cht cpa cpc cpd cpe cpf cph cpp cpr cpt cra crc crd cre crf crh crp crr crt cta ctc ctd cte ctf cth ctp ctr ctt daa dac dad dae daf dah dap dar dat dca dcc dcd dce dcf dcp dcr dct dda ddc ddd dde ddf ddh ddp ddr ddt de- dea dec ded dee def deh dep der det dfa dfc dfd dfe dff dfh dfp dfr dft dh- dha dhc dhd dhe dhf dhh dhp dhr dht dpa dpc dpd dpe dpf dph dpp dpr dpt dra drc drd dre drp drr drt dta dtc dtd dte dtf dth dtp dtr dtt eaa eac ead eae eaf eah eap ear eat ec- eca ecc ecd ece ecf ech ecr ect ed- eda edc edd ede edf edh edp edr edt eea eec eed eee eef eep eer eet ef- efa efc efd efe eff efh efp efr eft eha ehc ehd ehe ehf ehh ehp ehr eht ep- epa epc epd epe epf eph epp epr ept era erc erd ere erf erh erp err ert eta etc etd ete etf eth etp etr ett faa fac fad fae faf fah fap far fat fca fcc fcd fce fcf fcp fcr fct fda fdc fdd fde fdf fdh fdp fdr fdt fea fec fed fee fef feh fep fer fet ffa ffc ffd ffe fff ffh ffp ffr fft fha fhc fhe fhf fhh fhp fhr fpa fpc fpd fpe fph fpp fpr fpt fra frc frd fre frf frh frp frr frt fta ftc ftd fte ftf fth ftp ftr ftt haa hac had hae haf hah hap har hat hca hcc hcd hce hcf hch hcp hcr hct hda hdc hdd hde hdf hdh hdp hdr hdt he- hea hec hed hee hef heh hep her het hfa hfc hfd hfe hff hfh hfp hfr hft hha hhc hhd hhe hhf hhh hhp hhr hht hpa hpc hpd hpe hpf hph hpp hpr hpt hr- hra hrc hrd hre hrf hrh hrp hrr hrt hta htc htd hte htf hth htp htr htt p-p paa pac pad pae paf pah pap par pat pca pcc pcd pce pcf pch pcp pcr pct pda pdc pdd pde pdf pdh pdp pdr pdt pea pec ped pee pef peh pep per pet pfa pfc pfd pfe pff pfp pfr pft pha phc phd phe phf php phr pht ppa ppc ppd ppe ppf pph ppp ppr ppt pra prc prd pre prf prh prp prr prt pt- pta ptc ptd pte ptf pth ptp ptr ptt ra- raa rac rad rae raf rah rap rar rat rca rcc rcd rce rcf rch rcp rcr rct rda rdc rdd rde rdf rdh rdp rdr rdt re- rea rec red ree ref reh rep rer ret rfa rfc rfd rfe rff rfh rfp rfr rft rh- rha rhc rhd rhe rhf rhh rhp rhr rht rpa rpc rpd rpe rpf rph rpp rpr rpt rra rrc rrd rrf rrh rrp rrr rrt rta rtc rtd rte rtf rtp rtr rtt taa tac tad tae taf tah tap tar tat tca tcc tcd tce tcf tch tcp tcr tct tda tdc tdd tde tdf tdh tdp tdr tdt te- tea tec ted tee tef teh tep ter tet tfa tfc tfd tfe tff tfh tfp tfr tft th- tha thc thd the thf thh thp thr tht tpa tpc tpd tpe tpf tph tpp tpr tpt tra trc trd tre trf trh trp trr trt tta ttc ttd tte ttf tth ttp ttr ttt