-al -ol a-a a-b aaa aab aal aam aan aao aar ab- aba abb abl abm abn abo abr al- ala alb all alm aln alo alr ama amb aml amm amn amo amr an- ana anb anl anm ann ano anr aoa aob aol aom aon aoo aor ar- ara arb arl arm arn aro arr baa bab bal bam ban bao bar bba bbb bbl bbm bbn bbo bbr bla blb bll blm bln blo blr bma bmb bml bmm bmn bmo bmr bna bnb bnl bnn bno bnr boa bob bol bom bon boo bor bra brb brl brm brn bro brr la- laa lab lal lam lan lao lar lba lbb lbl lbm lbo lbr lla llb lll llm lln llo llr lma lmb lml lmm lmn lmo lmr lna lnb lnl lnm lnn lno lnr loa lob lol lom lon loo lor lra lrb lrm lrn lro lrr m-o m-r maa mab mal mam man mao mar mba mbb mbl mbm mbo mbr mla mlb mll mlm mln mlo mlr mma mmb mml mmm mmn mmo mmr mna mnb mnl mnm mnn mno mnr moa mob mol mom mon moo mor mra mrb mrl mrm mrn mro mrr naa nab nal nam nan nao nar nba nbb nbl nbm nbn nbo nbr nla nlb nll nlm nln nlo nlr nma nmb nml nmm nmn nmo nmr nna nnb nnl nnm nnn nno no- noa nob nol nom non noo nor nra nrb nrl nrm nrn nro nrr oaa oab oal oam oan oao oar ob- oba obb obl obm obn obo obr ola olb oll olm oln olo om- oma omb oml omm omn omo omr on- ona onb onl onn ono onr oo- ooa oob ool oom oon ooo oor or- ora orb orl orm orn oro orr ra- raa rab ral ram ran rao rar rba rbb rbl rbm rbn rbo rbr rla rll rlm rln rlo rlr rma rmb rml rmm rmn rmo rmr rna rnb rnm rnn rno rnr roa rob rol rom ron roo ror rra rrb rrl rrm rrn rrr