-al -th a-a a-b a-t aaa aab aad aah aal aat ab- aba abb abd abh abl abt ad- ada adb add adh adl adt aha ahb ahd ahh ahl aht al- ala alb ald alh all alt at- ata atb atd ath atl att baa bab bad bah bal bat bba bbb bbd bbh bbl bbt bda bdb bdd bdh bdl bdt bha bhb bhd bhh bhl bht bla blb bld blh bll blt bta btb btd bth btl btt daa dab dad dah dal dat dba dbb dbd dbh dbl dbt dda ddb ddd ddh ddl ddt dh- dha dhb dhd dhh dhl dht dl- dla dlb dld dlh dll dlt dta dtb dtd dth dtl dtt haa hab had hah hal hat hba hbb hbd hbh hbl hbt hda hdb hdd hdh hdl hdt hha hhb hhd hhh hhl hht hla hlb hld hlh hll hlt hta htb htd hth htl htt la- laa lab lad lah lal lat lba lbb lbd lbh lbl lbt lda ldb ldd ldh ldl ldt lha lhb lhd lhh lht lla llb lld lll llt lta ltb ltd lth ltl ltt taa tab tad tah tal tat tba tbb tbd tbh tbl tbt tda tdb tdd tdh tdl tdt th- tha thb thd thh thl tht tla tld tlh tll tlt tta ttb ttd tth ttl ttt