-al -ol a-a a-b aaa aab aad aak aal aam aao aar ab- aba abb abd abk abl abm abo abr ad- ada adb add adk adl adm ado adr aka akb akd akk akl akm ako akr al- ala alb ald alk all alm alo alr ama amb amd amk aml amm amo amr aoa aob aod aok aol aom aoo aor ar- ara arb ard ark arl arm aro arr baa bab bad bak bal bam bao bar bba bbb bbd bbk bbl bbm bbo bbr bda bdb bdd bdk bdl bdm bdo bdr bka bkb bkk bkl bkm bko bkr bla blb bld blk bll blm blo blr bma bmb bmd bmk bml bmm bmo bmr boa bob bod bok bol bom boo bor bra brb brd brk brl brm bro brr daa dab dad dak dal dam dao dar dba dbb dbd dbk dbl dbm dbo dbr dda ddb ddd ddk ddl ddm ddo ddr dka dkb dkk dkl dkm dko dkr dl- dla dlb dld dlk dll dlm dlo dlr dma dmb dmd dmk dml dmm dmo dmr doa dob dod dok dol dom doo dor dra drb drd drk drl drm dro drr ka- kaa kab kad kak kal kam kao kar kba kbb kbd kbk kbl kbm kbo kbr kda kdb kdk kdl kdm kdo kdr kkb kkk kkl kkm kkr kl- kla klb kld klm klo klr kma kmb kmd kmk kml kmm kmo koa kob kod kok kol kom koo kor kra krd krk krl kro krr la- laa lab lad lak lal lam lao lar lba lbb lbd lbk lbl lbm lbo lbr lda ldb ldd ldk ldl ldm ldo ldr lka lkb lkl lkr lla llb lld llk lll llm llo llr lma lmb lmd lmk lml lmm lmo lmr loa lob lod lok lol lom loo lor lra lrb lrd lrk lrm lro lrr m-o m-r maa mab mad mak mal mam mao mar mba mbb mbd mbk mbl mbm mbo mbr mda mdb mdd mdk mdl mdm mdo mdr mka mkb mkd mkk mkl mkm mko mkr mla mlb mld mlk mll mlm mlo mlr mma mmb mmd mmk mml mmm mmo mmr moa mob mod mok mol mom moo mor mra mrb mrd mrk mrl mrm mro mrr oaa oab oad oak oal oam oao oar ob- oba obb obd obk obl obm obo obr oda odb odd odl odm odo odr oka okb okd okk okl oko okr ola olb old olk oll olm olo om- oma omb omd oml omm omo omr oo- ooa oob ood ook ool oom ooo oor or- ora orb ord ork orl orm oro orr ra- raa rab rad rak ral ram rao rar rba rbb rbd rbk rbl rbm rbo rbr rda rdb rdd rdl rdm rdo rdr rkb rkk rkm rko rla rld rll rlm rlo rlr rma rmb rmd rml rmm rmo rmr roa rob rod rok rol rom roo ror rra rrb rrd rrk rrl rrm rrr