-th a-a a-b a-t a-z aaa aab aag aah aar aat aaz ab- aba abb abg abh abr abt abz ag- aga agb agg agh agr agt agz aha ahb ahg ahh ahr aht ahz ar- ara arb arg arh arr art arz at- ata atb atg ath atr att atz az- aza azb azg azt azz baa bab bag bah bar bat baz bba bbb bbg bbh bbr bbt bga bgb bgg bgh bgr bgt bgz bha bhb bhg bhh bhr bht bra brb brg brh brr brt brz bta btb btg bth btr btt btz bza bzh bzr bzz gaa gab gag gah gar gat gaz gba gbg gbh gbr gbt gbz gga ggb ggg ggh ggr ggt ggz gha ghb ghg ghh ghr ght ghz gra grb grg grh grr grt gta gtb gtg gth gtr gtt gza gzr haa hab hag hah har hat haz hba hbb hbg hbh hbr hbt hbz hga hgb hgg hgh hgr hgt hha hhb hhg hhh hhr hht hhz hr- hra hrb hrg hrh hrr hrt hrz hta htb htg hth htr htt htz hzt ra- raa rab rag rah rar rat raz rba rbb rbg rbh rbr rbt rga rgb rgg rgh rgr rgt rh- rha rhb rhg rhh rhr rht rra rrb rrg rrh rrr rrt rta rtb rtg rtr rtt rtz rza rzb taa tab tag tah tar tat taz tba tbb tbg tbh tbr tbt tbz tga tgb tgg tgh tgr tgt tgz th- tha thb thg thh thr tht thz tra trb trg trh trr trt trz tta ttb ttg tth ttr ttt tza z-g zaa zab zag zah zar zat zaz zbb zbr zbt zgb zgg zha zhr zrh zta ztr zzr zzt zzz