-th a-a a-b a-c a-t aaa aab aac aad aae aah aak aap aat ab- aba abb abc abd abe abh abk abp abt ac- aca acb acc acd ace ach ack acp act ad- ada adb adc add ade adh adk adp adt aea aeb aec aed aee aeh aek aep aet aha ahb ahc ahd ahe ahh ahk ahp aht aka akb akc akd ake akh akk akp ap- apa apb apc apd ape aph apk app apt at- ata atb atc atd ate ath atp att b-p baa bab bac bad bae bah bak bap bat bba bbb bbc bbd bbe bbh bbk bbp bbt bca bcb bcc bcd bce bch bck bcp bct bda bdb bdc bdd bde bdh bdk bdp bdt be- bea beb bec bed bee beh bek bep bet bha bhb bhc bhd bhe bhh bhk bhp bht bka bkb bkc bke bkk bkp bkt bpa bpb bpc bpd bpe bph bpp bpt bta btb btc btd bte bth btk btp btt c-- caa cab cac cad cae cah cak cap cat cba cbb cbc cbd cbe cbh cbk cbp cbt cca ccb ccc ccd cce cch cck ccp cct cda cdb cdc cdd cde cdh cdk cdp cdt ce- cea ceb cec ced cee ceh cek cep cet ch- cha chb chc chd che chh chk chp cht cka ckb ckc ckd ckh ckt cpa cpb cpc cpd cpe cph cpk cpp cpt cta ctb ctc ctd cte cth ctk ctp ctt daa dab dac dad dae dah dak dap dat dba dbb dbc dbd dbe dbh dbk dbp dbt dca dcb dcc dcd dce dck dcp dct dda ddb ddc ddd dde ddh ddk ddp ddt de- dea deb dec ded dee deh dek dep det dh- dha dhb dhc dhd dhe dhh dhk dhp dht dka dkb dkc dke dkk dkp dkt dpa dpb dpc dpd dpe dph dpk dpp dpt dta dtb dtc dtd dte dth dtk dtp dtt eaa eab eac ead eae eah eak eap eat eba ebb ebc ebd ebe ebh ebk ebp ebt ec- eca ecb ecc ecd ece ech eck ect ed- eda edb edc edd ede edh edk edp edt eea eeb eec eed eee eek eep eet eha ehb ehc ehd ehe ehh ehp eht eka ekb ekc ekd eke ekh ekp ekt ep- epa epb epc epd epe eph epp ept eta etb etc etd ete eth etk etp ett haa hab hac had hae hah hak hap hat hba hbb hbc hbd hbe hbh hbk hbp hbt hca hcb hcc hcd hce hch hck hcp hct hda hdb hdc hdd hde hdh hdk hdp hdt he- hea heb hec hed hee heh hek hep het hha hhb hhc hhd hhe hhh hhk hhp hht hka hkb hkd hkh hkk hkp hkt hpa hpb hpc hpd hpe hph hpk hpp hpt hta htb htc htd hte hth htk htp htt k-t ka- kaa kab kac kad kae kah kak kap kat kba kbb kbc kbd kbe kbh kbk kbp kca kcb kcc kcd kce kch kck kcp kct kda kdb kdc kde kdh kdk kdp kdt ke- kea keb kec ked kee keh kek kep ket kha khe khh khk kkb kkc kke kkh kkk kkp kkt kpa kpc kpd kpe kph kpk kpp kpt kta ktb ktc kte kth ktk ktp ktt p-p paa pab pac pad pae pah pak pap pat pba pbb pbc pbd pbe pbk pbp pbt pca pcb pcc pcd pce pch pck pcp pct pda pdb pdc pdd pde pdh pdk pdp pdt pea peb pec ped pee peh pek pep pet pha phb phc phd phe phk php pht pka pkb pkc pkd pke pkp pkt ppa ppb ppc ppd ppe pph ppk ppp ppt pt- pta ptb ptc ptd pte pth ptk ptp ptt taa tab tac tad tae tah tak tap tat tba tbb tbc tbd tbe tbh tbk tbp tbt tca tcb tcc tcd tce tch tck tcp tct tda tdb tdc tdd tde tdh tdk tdp tdt te- tea teb tec ted tee teh tek tep tet th- tha thb thc thd the thh thk thp tht tka tkb tkc tke tkk tkp tkt tpa tpb tpc tpd tpe tph tpk tpp tpt tta ttb ttc ttd tte tth ttk ttp ttt