-al -ol a-a a-b aaa aab aad aal aam aao ab- aba abb abd abl abm abo ad- ada adb add adl adm ado al- ala alb ald all alm alo ama amb amd aml amm amo aoa aob aod aol aom aoo baa bab bad bal bam bao bba bbb bbd bbl bbm bbo bda bdb bdd bdl bdm bdo bla blb bld bll blm blo bma bmb bmd bml bmm bmo boa bob bod bol bom boo daa dab dad dal dam dao dba dbb dbd dbl dbm dbo dda ddb ddd ddl ddm ddo dl- dla dlb dld dll dlm dlo dma dmb dmd dml dmm dmo doa dob dod dol dom doo la- laa lab lad lal lam lao lba lbb lbd lbl lbm lbo lda ldb ldd ldl ldm ldo lla llb lld lll llm llo lma lmb lmd lml lmm lmo loa lob lod lol lom loo m-o maa mab mad mal mam mao mba mbb mbd mbl mbm mbo mda mdb mdd mdl mdm mdo mla mlb mld mll mlm mlo mma mmb mmd mml mmm mmo moa mob mod mol mom moo oaa oab oad oal oam oao ob- oba obb obd obl obm obo oda odb odd odl odm odo ola olb old oll olm olo om- oma omb omd oml omm omo oo- ooa oob ood ool oom ooo