-th a-a a-b a-c a-t aaa aab aac aad aae aah aap aat ab- aba abb abc abd abe abh abp abt ac- aca acb acc acd ace ach acp act ad- ada adb adc add ade adh adp adt aea aeb aec aed aee aeh aep aet aha ahb ahc ahd ahe ahh ahp aht ap- apa apb apc apd ape aph app apt at- ata atb atc atd ate ath atp att b-p baa bab bac bad bae bah bap bat bba bbb bbc bbd bbe bbh bbp bbt bca bcb bcc bcd bce bch bcp bct bda bdb bdc bdd bde bdh bdp bdt be- bea beb bec bed bee beh bep bet bha bhb bhc bhd bhe bhh bhp bht bpa bpb bpc bpd bpe bph bpp bpt bta btb btc btd bte bth btp btt c-- caa cab cac cad cae cah cap cat cba cbb cbc cbd cbe cbh cbp cbt cca ccb ccc ccd cce cch ccp cct cda cdb cdc cdd cde cdh cdp cdt ce- cea ceb cec ced cee ceh cep cet ch- cha chb chc chd che chh chp cht cpa cpb cpc cpd cpe cph cpp cpt cta ctb ctc ctd cte cth ctp ctt daa dab dac dad dae dah dap dat dba dbb dbc dbd dbe dbh dbp dbt dca dcb dcc dcd dce dcp dct dda ddb ddc ddd dde ddh ddp ddt de- dea deb dec ded dee deh dep det dh- dha dhb dhc dhd dhe dhh dhp dht dpa dpb dpc dpd dpe dph dpp dpt dta dtb dtc dtd dte dth dtp dtt eaa eab eac ead eae eah eap eat eba ebb ebc ebd ebe ebh ebp ebt ec- eca ecb ecc ecd ece ech ect ed- eda edb edc edd ede edh edp edt eea eeb eec eed eee eep eet eha ehb ehc ehd ehe ehh ehp eht ep- epa epb epc epd epe eph epp ept eta etb etc etd ete eth etp ett haa hab hac had hae hah hap hat hba hbb hbc hbd hbe hbh hbp hbt hca hcb hcc hcd hce hch hcp hct hda hdb hdc hdd hde hdh hdp hdt he- hea heb hec hed hee heh hep het hha hhb hhc hhd hhe hhh hhp hht hpa hpb hpc hpd hpe hph hpp hpt hta htb htc htd hte hth htp htt p-p paa pab pac pad pae pah pap pat pba pbb pbc pbd pbe pbp pbt pca pcb pcc pcd pce pch pcp pct pda pdb pdc pdd pde pdh pdp pdt pea peb pec ped pee peh pep pet pha phb phc phd phe php pht ppa ppb ppc ppd ppe pph ppp ppt pt- pta ptb ptc ptd pte pth ptp ptt taa tab tac tad tae tah tap tat tba tbb tbc tbd tbe tbh tbp tbt tca tcb tcc tcd tce tch tcp tct tda tdb tdc tdd tde tdh tdp tdt te- tea teb tec ted tee teh tep tet th- tha thb thc thd the thh thp tht tpa tpb tpc tpd tpe tph tpp tpt tta ttb ttc ttd tte tth ttp ttt