-al -th a-a a-b a-t aaa aab aah aal aan aat ab- aba abb abh abl abn abt aha ahb ahh ahl ahn aht al- ala alb alh all aln alt an- ana anb anh anl ann ant at- ata atb ath atl atn att baa bab bah bal ban bat bba bbb bbh bbl bbn bbt bha bhb bhh bhl bht bla blb blh bll bln blt bna bnb bnl bnn bnt bta btb bth btl btn btt haa hab hah hal han hat hba hbb hbh hbl hbn hbt hha hhb hhh hhl hhn hht hla hlb hlh hll hln hlt hna hnb hnh hnl hnn hnt hta htb hth htl htn htt la- laa lab lah lal lan lat lba lbb lbh lbl lbt lha lhb lhh lht lla llb lll lln llt lna lnb lnh lnl lnn lnt lta ltb lth ltl ltt naa nab nah nal nan nat nba nbb nbl nbn nbt nha nhb nhh nhl nhn nht nla nlb nlh nll nln nlt nna nnb nnh nnl nnn nnt nta ntb nth ntn ntt taa tab tah tal tan tat tba tbb tbh tbl tbn tbt th- tha thb thh thl thn tht tla tlh tll tln tlt tna tnb tnh tnl tnn tnt tta ttb tth ttl ttn ttt