-er -th a-a a-c a-t aaa aac aad aae aah aap aar aas aat ac- aca acc acd ace ach acp acr acs act ad- ada adc add ade adh adp adr ads adt aea aec aed aee aeh aep aer aes aet aha ahc ahd ahe ahh ahp ahr ahs aht ap- apa apc apd ape aph app apr aps apt ar- ara arc ard are arh arp arr ars art as- asa asc asd ase ash asp asr ass ast at- ata atc atd ate ath atp atr ats att c-- caa cac cad cae cah cap car cas cat cca ccc ccd cce cch ccp ccr ccs cct cda cdc cdd cde cdh cdp cdr cds cdt ce- cea cec ced cee ceh cep cer ces cet ch- cha chc chd che chh chp chr chs cht cpa cpc cpd cpe cph cpp cpr cps cpt cra crc crd cre crh crp crr crs crt csa csc csd cse csh csp csr css cst cta ctc ctd cte cth ctp ctr cts ctt daa dac dad dae dah dap dar das dat dca dcc dcd dce dcp dcr dcs dct dda ddc ddd dde ddh ddp ddr dds ddt de- dea dec ded dee deh dep der des det dh- dha dhc dhd dhe dhh dhp dhr dhs dht dpa dpc dpd dpe dph dpp dpr dps dpt dra drc drd dre drp drr drs drt dsa dsc dsd dse dsh dsp dsr dss dst dta dtc dtd dte dth dtp dtr dts dtt eaa eac ead eae eah eap ear eas eat ec- eca ecc ecd ece ech ecr ecs ect ed- eda edc edd ede edh edp edr eds edt eea eec eed eee eep eer ees eet eha ehc ehd ehe ehh ehp ehr ehs eht ep- epa epc epd epe eph epp epr eps ept era erc erd ere erh erp err ers ert es- esa esc esd ese esh esp esr ess est eta etc etd ete eth etp etr ets ett haa hac had hae hah hap har has hat hca hcc hcd hce hch hcp hcr hcs hct hda hdc hdd hde hdh hdp hdr hds hdt he- hea hec hed hee heh hep her hes het hha hhc hhd hhe hhh hhp hhr hhs hht hpa hpc hpd hpe hph hpp hpr hps hpt hr- hra hrc hrd hre hrh hrp hrr hrs hrt hsa hsc hsd hse hsh hsp hsr hss hst hta htc htd hte hth htp htr hts htt p-p paa pac pad pae pah pap par pas pat pca pcc pcd pce pch pcp pcr pcs pct pda pdc pdd pde pdh pdp pdr pds pdt pea pec ped pee peh pep per pes pet pha phc phd phe php phr phs pht ppa ppc ppd ppe pph ppp ppr pps ppt pra prc prd pre prh prp prr prs prt ps- psa psc psd pse psh psp psr pss pst pt- pta ptc ptd pte pth ptp ptr pts ptt ra- raa rac rad rae rah rap rar ras rat rca rcc rcd rce rch rcp rcr rcs rct rda rdc rdd rde rdh rdp rdr rds rdt re- rea rec red ree reh rep rer res ret rh- rha rhc rhd rhe rhh rhp rhr rhs rht rpa rpc rpd rpe rph rpp rpr rps rpt rra rrc rrd rrh rrp rrr rrs rrt rsa rsc rsd rse rsh rsp rsr rss rst rta rtc rtd rte rtp rtr rts rtt saa sac sad sae sah sap sar sas sat sca scc scd sce sch scp scr scs sct sda sdc sdd sde sdh sdp sdr sds sdt se- sea sec sed see seh sep ser ses set sh- sha shc shd she shh shp shr shs sht spa spc spd spe sph spp spr sps spt sr- sra src srd sre srh srp srr srs srt ss- ssa ssc ssd sse ssh ssp ssr sss sst sta stc std ste sth stp str sts stt taa tac tad tae tah tap tar tas tat tca tcc tcd tce tch tcp tcr tcs tct tda tdc tdd tde tdh tdp tdr tds tdt te- tea tec ted tee teh tep ter tes tet th- tha thc thd the thh thp thr ths tht tpa tpc tpd tpe tph tpp tpr tps tpt tra trc trd tre trh trp trr trs trt tsa tsc tsd tse tsh tsp tsr tss tst tta ttc ttd tte tth ttp ttr tts ttt