-al a-a a-b aaa aab aad aal aaw ab- aba abb abd abl abw ad- ada adb add adl adw al- ala alb ald all alw aw- awa awb awd awl aww baa bab bad bal baw bba bbb bbd bbl bbw bda bdb bdd bdl bdw bla blb bld bll bwa bwb bwd bwl daa dab dad dal daw dba dbb dbd dbl dda ddb ddd ddl ddw dl- dla dlb dld dll dwa dwb dww la- laa lab lad lal law lba lbb lbd lbl lbw lda ldb ldd ldl ldw lla llb lld lll llw lwa lwb lwd lwl lww waa wab wad wal waw wba wbb wbd wbw wda wdb wdl wl- wla wlb wll wlw wwa wwd wwl www