-al -ol a-a a-b aaa aab aad aal aam aao aar ab- aba abb abd abl abm abo abr ad- ada adb add adl adm ado adr al- ala alb ald all alm alo alr ama amb amd aml amm amo amr aoa aob aod aol aom aoo aor ar- ara arb ard arl arm aro arr baa bab bad bal bam bao bar bba bbb bbd bbl bbm bbo bbr bda bdb bdd bdl bdm bdo bdr bla blb bld bll blm blo blr bma bmb bmd bml bmm bmo bmr boa bob bod bol bom boo bor bra brb brd brl brm bro brr daa dab dad dal dam dao dar dba dbb dbd dbl dbm dbo dbr dda ddb ddd ddl ddm ddo ddr dl- dla dlb dld dll dlm dlo dlr dma dmb dmd dml dmm dmo dmr doa dob dod dol dom doo dor dra drb drd drl drm dro drr la- laa lab lad lal lam lao lar lba lbb lbd lbl lbm lbo lbr lda ldb ldd ldl ldm ldo ldr lla llb lld lll llm llo llr lma lmb lmd lml lmm lmo lmr loa lob lod lol lom loo lor lra lrb lrd lrm lro lrr m-o m-r maa mab mad mal mam mao mar mba mbb mbd mbl mbm mbo mbr mda mdb mdd mdl mdm mdo mdr mla mlb mld mll mlm mlo mlr mma mmb mmd mml mmm mmo mmr moa mob mod mol mom moo mor mra mrb mrd mrl mrm mro mrr oaa oab oad oal oam oao oar ob- oba obb obd obl obm obo obr oda odb odd odl odm odo odr ola olb old oll olm olo om- oma omb omd oml omm omo omr oo- ooa oob ood ool oom ooo oor or- ora orb ord orl orm oro orr ra- raa rab rad ral ram rao rar rba rbb rbd rbl rbm rbo rbr rda rdb rdd rdl rdm rdo rdr rla rld rll rlm rlo rlr rma rmb rmd rml rmm rmo rmr roa rob rod rol rom roo ror rra rrb rrd rrl rrm rrr