-th a-a a-b a-t aaa aab aag aah aap aat ab- aba abb abg abh abp abt ag- aga agb agg agh agp agt aha ahb ahg ahh ahp aht ap- apa apb apg aph app apt at- ata atb atg ath atp att b-p baa bab bag bah bap bat bba bbb bbg bbh bbp bbt bga bgb bgg bgh bgp bgt bha bhb bhg bhh bhp bht bpa bpb bpg bph bpp bpt bta btb btg bth btp btt g-p gaa gab gag gah gap gat gba gbg gbh gbp gbt gga ggb ggg ggh ggp ggt gha ghb ghg ghh ghp ght gpa gpb gpg gph gpp gpt gta gtb gtg gth gtp gtt haa hab hag hah hap hat hba hbb hbg hbh hbp hbt hga hgb hgg hgh hgp hgt hha hhb hhg hhh hhp hht hpa hpb hpg hph hpp hpt hta htb htg hth htp htt p-p paa pab pag pah pap pat pba pbb pbg pbp pbt pga pgb pgg pgh pgp pgt pha phb phg php pht ppa ppb ppg pph ppp ppt pt- pta ptb ptg pth ptp ptt taa tab tag tah tap tat tba tbb tbg tbh tbp tbt tga tgb tgg tgh tgp tgt th- tha thb thg thh thp tht tpa tpb tpg tph tpp tpt tta ttb ttg tth ttp ttt