-al -th a-a a-b a-t aaa aab aae aag aah aal aat ab- aba abb abe abg abh abl abt aea aeb aee aeg aeh ael aet ag- aga agb age agg agh agl agt aha ahb ahe ahg ahh ahl aht al- ala alb ale alg alh all alt at- ata atb ate atg ath atl att baa bab bae bag bah bal bat bba bbb bbe bbg bbh bbl bbt be- bea beb bee beg beh bel bet bga bgb bge bgg bgh bgl bgt bha bhb bhe bhg bhh bhl bht bla blb ble blg blh bll blt bta btb bte btg bth btl btt eaa eab eae eag eah eal eat eba ebb ebe ebg ebh ebl ebt eea eeb eee eeg eel eet ega egb ege egg egh egl egt eha ehb ehe ehg ehh ehl eht ela elb ele elg elh ell elt eta etb ete etg eth etl ett gaa gab gae gag gah gal gat gba gbe gbg gbh gbl gbt ge- gea geb gee geg geh gel get gga ggb ggg ggh ggt gha ghb ghe ghg ghh ghl ght gla glb gle glg glh gll glt gta gtb gte gtg gth gtl gtt haa hab hae hag hah hal hat hba hbb hbe hbg hbh hbl hbt he- hea heb hee heg heh hel het hga hgb hge hgg hgh hgl hgt hha hhb hhe hhg hhh hhl hht hla hlb hle hlg hlh hll hlt hta htb hte htg hth htl htt la- laa lab lae lag lah lal lat lba lbb lbe lbg lbh lbl lbt lea leb lee leg leh lel let lga lgb lge lgg lgh lgl lgt lha lhb lhh lht lla llb lle llg lll llt lta ltb lte ltg lth ltl ltt taa tab tae tag tah tal tat tba tbb tbe tbg tbh tbl tbt te- tea teb tee teg teh tel tet tga tgb tge tgg tgh tgl tgt th- tha thb the thg thh thl tht tla tle tlg tlh tll tlt tta ttb tte ttg tth ttl ttt