-th a-a a-b a-t aaa aab aag aah aak aan aat ab- aba abb abg abh abk abn abt ag- aga agb agg agh agk agn agt aha ahb ahg ahh ahk ahn aht aka akb akg akh akk akn an- ana anb ang anh ank ann ant at- ata atb atg ath atn att baa bab bag bah bak ban bat bba bbb bbg bbh bbk bbn bbt bga bgb bgg bgh bgk bgn bgt bha bhb bhg bhh bhk bht bka bkb bkg bkk bkn bkt bna bnb bng bnk bnn bnt bta btb btg bth btk btn btt gaa gab gag gah gak gan gat gba gbg gbh gbk gbn gbt gga ggb ggg ggh ggn ggt gha ghb ghg ghh ghn ght gka gkb gkh gkn gkt gna gnb gnn gnt gta gtb gtg gth gtk gtn gtt haa hab hag hah hak han hat hba hbb hbg hbh hbk hbn hbt hga hgb hgg hgh hgk hgn hgt hha hhb hhg hhh hhk hhn hht hka hkb hkg hkh hkk hkn hkt hna hnb hng hnh hnk hnn hnt hta htb htg hth htk htn htt k-t ka- kaa kab kag kah kak kan kat kba kbb kbh kbk kbn kga kgb kgh kha khh khk khn kkb kkh kkk kkn kkt kn- kna kng knk knn knt kta ktb ktg kth ktk ktn ktt naa nab nag nah nak nan nat nba nbb nbg nbk nbn nbt nga ngb ngg ngh ngk ngn ngt nha nhb nhg nhh nhk nhn nht nka nkk nkn nkt nna nnb nng nnh nnk nnn nnt nta ntb ntg nth ntk ntn ntt taa tab tag tah tak tan tat tba tbb tbg tbh tbk tbn tbt tga tgb tgg tgh tgk tgn tgt th- tha thb thg thh thk thn tht tka tkb tkg tkk tkt tna tnb tng tnh tnk tnn tnt tta ttb ttg tth ttk ttn ttt