-th a-a a-b a-t aaa aab aag aah aat aaw ab- aba abb abg abh abt abw ag- aga agb agg agh agt agw aha ahb ahg ahh aht ahw at- ata atb atg ath att atw aw- awa awb awg awh awt aww baa bab bag bah bat baw bba bbb bbg bbh bbt bbw bga bgb bgg bgh bgt bgw bha bhb bhg bhh bht bhw bta btb btg bth btt btw bwa bwb bwg bwh gaa gab gag gah gat gaw gba gbg gbh gbt gbw gga ggb ggg ggh ggt ggw gha ghb ghg ghh ght gta gtb gtg gth gtt gtw gwa gwb gwg gwt haa hab hag hah hat haw hba hbb hbg hbh hbt hbw hga hgb hgg hgh hgt hgw hha hhb hhg hhh hht hhw hta htb htg hth htt htw hw- hwa hwb hwg hwt hww taa tab tag tah tat taw tba tbb tbg tbh tbt tga tgb tgg tgh tgt th- tha thb thg thh tht thw tta ttb ttg tth ttt ttw twa twb twg twh twt tww waa wab wag wah wat waw wba wbb wbg wbt wbw wga wgb wgh wgt wgw wh- wha whb whh wht whw wta wtb wth wtt wtw wwa wwt www