-al -ol a-a a-b aaa aab aad aal aam aan aao aar ab- aba abb abd abl abm abn abo abr ad- ada adb add adl adm adn ado adr al- ala alb ald all alm aln alo alr ama amb amd aml amm amn amo amr an- ana anb and anl anm ann ano anr aoa aob aod aol aom aon aoo aor ar- ara arb ard arl arm arn aro arr baa bab bad bal bam ban bao bar bba bbb bbd bbl bbm bbn bbo bbr bda bdb bdd bdl bdm bdo bdr bla blb bld bll blm bln blo blr bma bmb bmd bml bmm bmn bmo bmr bna bnb bnd bnl bnn bno bnr boa bob bod bol bom bon boo bor bra brb brd brl brm brn bro brr daa dab dad dal dam dan dao dar dba dbb dbd dbl dbm dbn dbo dbr dda ddb ddd ddl ddm ddn ddo ddr dl- dla dlb dld dll dlm dlo dlr dma dmb dmd dml dmm dmn dmo dmr dna dnb dnd dnl dnm dnn dno dnr doa dob dod dol dom don doo dor dra drb drd drl drm drn dro drr la- laa lab lad lal lam lan lao lar lba lbb lbd lbl lbm lbo lbr lda ldb ldd ldl ldm ldn ldo ldr lla llb lld lll llm lln llo llr lma lmb lmd lml lmm lmn lmo lmr lna lnb lnd lnl lnm lnn lno lnr loa lob lod lol lom lon loo lor lra lrb lrd lrm lrn lro lrr m-o m-r maa mab mad mal mam man mao mar mba mbb mbd mbl mbm mbo mbr mda mdb mdd mdl mdm mdn mdo mdr mla mlb mld mll mlm mln mlo mlr mma mmb mmd mml mmm mmn mmo mmr mna mnb mnl mnm mnn mno mnr moa mob mod mol mom mon moo mor mra mrb mrd mrl mrm mrn mro mrr naa nab nad nal nam nan nao nar nba nbb nbd nbl nbm nbn nbo nbr nda ndb ndd ndl ndm ndn ndo ndr nla nlb nld nll nlm nln nlo nlr nma nmb nmd nml nmm nmn nmo nmr nna nnb nnl nnm nnn nno no- noa nob nod nol nom non noo nor nra nrb nrd nrl nrm nrn nro nrr oaa oab oad oal oam oan oao oar ob- oba obb obd obl obm obn obo obr oda odb odd odl odm odn odo odr ola olb old oll olm oln olo om- oma omb omd oml omm omn omo omr on- ona onb ond onl onn ono onr oo- ooa oob ood ool oom oon ooo oor or- ora orb ord orl orm orn oro orr ra- raa rab rad ral ram ran rao rar rba rbb rbd rbl rbm rbn rbo rbr rda rdb rdd rdl rdm rdn rdo rdr rla rld rll rlm rln rlo rlr rma rmb rmd rml rmm rmn rmo rmr rna rnb rnd rnm rnn rno rnr roa rob rod rol rom ron roo ror rra rrb rrd rrl rrm rrn rrr