-al a-a a-b aaa aab aad aah aal ab- aba abb abd abh abl ad- ada adb add adh adl aha ahb ahd ahh ahl al- ala alb ald alh all baa bab bad bah bal bba bbb bbd bbh bbl bda bdb bdd bdh bdl bha bhb bhd bhh bhl bla blb bld blh bll daa dab dad dah dal dba dbb dbd dbh dbl dda ddb ddd ddh ddl dh- dha dhb dhd dhh dhl dl- dla dlb dld dlh dll haa hab had hah hal hba hbb hbd hbh hbl hda hdb hdd hdh hdl hha hhb hhd hhh hhl hla hlb hld hlh hll la- laa lab lad lah lal lba lbb lbd lbh lbl lda ldb ldd ldh ldl lha lhb lhd lhh lla llb lld lll