-al -ol a-a a-b a-i aaa aab aai aal aam aao aar ab- aba abb abi abl abm abo abr ai- aia aib aii ail aim aio air al- ala alb ali all alm alo alr ama amb ami aml amm amo amr aoa aob aoi aol aom aoo aor ar- ara arb ari arl arm aro arr baa bab bai bal bam bao bar bba bbb bbi bbl bbm bbo bbr bi- bia bib bii bil bim bio bir bla blb bli bll blm blo blr bma bmb bmi bml bmm bmo bmr boa bob boi bol bom boo bor bra brb bri brl brm bro brr ia- iaa iab iai ial iam iao iar iba ibb ibi ibl ibm ibo ibr iia iib iii iil iim iio iir il- ila ilb ili ill ilm ilo ilr im- ima imb imi iml imm imo io- ioa iob ioi iol iom ioo ior ir- ira irb iri irl irm iro irr la- laa lab lai lal lam lao lar lba lbb lbi lbl lbm lbo lbr lia lib lii lil lim lio lir lla llb lli lll llm llo llr lma lmb lmi lml lmm lmo lmr loa lob loi lol lom loo lor lra lrb lri lrm lro lrr m-o m-r maa mab mai mal mam mao mar mba mbb mbi mbl mbm mbo mbr mi- mia mib mii mil mim mio mir mla mlb mli mll mlm mlo mlr mma mmb mmi mml mmm mmo mmr moa mob moi mol mom moo mor mra mrb mri mrl mrm mro mrr o-i oaa oab oai oal oam oao oar ob- oba obb obi obl obm obo obr oia oib oii oil oim oio oir ola olb oli oll olm olo om- oma omb omi oml omm omo omr oo- ooa oob ooi ool oom ooo oor or- ora orb ori orl orm oro orr ra- raa rab rai ral ram rao rar rba rbb rbi rbl rbm rbo rbr ria rib rii ril rim rio rir rla rli rll rlm rlo rlr rma rmb rmi rml rmm rmo rmr roa rob roi rol rom roo ror rra rrb rri rrl rrm rrr