-al -ol a-a a-b aaa aab aal aam aao aar aax ab- aba abb abl abm abo abr abx al- ala alb all alm alo alr alx ama amb aml amm amo amr amx aoa aob aol aom aoo aor aox ar- ara arb arl arm aro arr arx ax- axa axl axm axo axr axx baa bab bal bam bao bar bax bba bbb bbl bbm bbo bbr bbx bla blb bll blm blo blr blx bma bmb bml bmm bmo bmr bmx boa bob bol bom boo bor box bra brb brl brm bro brr brx bxb bxl bxm bxo bxx la- laa lab lal lam lao lar lax lba lbb lbl lbm lbo lbr lbx lla llb lll llm llo llr lma lmb lml lmm lmo lmr loa lob lol lom loo lor lox lra lrb lrm lro lrr lxo lxr lxx m-o m-r maa mab mal mam mao mar max mba mbb mbl mbm mbo mbr mbx mla mlb mll mlm mlo mlr mlx mma mmb mml mmm mmo mmr mmx moa mob mol mom moo mor mox mra mrb mrl mrm mro mrr mrx mxa mxl mxr oaa oab oal oam oao oar oax ob- oba obb obl obm obo obr obx ola olb oll olm olo om- oma omb oml omm omo omr omx oo- ooa oob ool oom ooo oor oox or- ora orb orl orm oro orr orx ox- oxa oxb oxo oxx ra- raa rab ral ram rao rar rax rba rbb rbl rbm rbo rbr rbx rla rll rlm rlo rlr rma rmb rml rmm rmo rmr rmx roa rob rol rom roo ror rox rra rrb rrl rrm rrr rxr xaa xal xam xar xbl xbr xbx xla xlb xlm xlr xma xml xmm xmo xmr xmx xoa xom xoo xor xox xrx xxl xxo xxx