-al -ol a-a a-b aaa aab aad aaf aal aam aao aar ab- aba abb abd abf abl abm abo abr ad- ada adb add adf adl adm ado adr af- afa afb afd aff afl afm afo afr al- ala alb ald alf all alm alo alr ama amb amd amf aml amm amo amr aoa aob aod aof aol aom aoo aor ar- ara arb ard arf arl arm aro arr baa bab bad baf bal bam bao bar bba bbb bbd bbf bbl bbm bbo bbr bda bdb bdd bdf bdl bdm bdo bdr bfa bfb bfd bff bfl bfm bfo bfr bla blb bld blf bll blm blo blr bma bmb bmd bmf bml bmm bmo bmr boa bob bod bof bol bom boo bor bra brb brd brf brl brm bro brr daa dab dad daf dal dam dao dar dba dbb dbd dbf dbl dbm dbo dbr dda ddb ddd ddf ddl ddm ddo ddr dfa dfb dfd dff dfl dfm dfo dfr dl- dla dlb dld dlf dll dlm dlo dlr dma dmb dmd dmf dml dmm dmo dmr doa dob dod dof dol dom doo dor dra drb drd drl drm dro drr faa fab fad faf fal fam fao far fba fbb fbd fbf fbl fbm fbo fbr fda fdb fdd fdf fdl fdm fdo fdr ffa ffd fff ffl ffm ffo ffr fla flb fld flf fll flm flo flr fma fmb fmd fmf fml fmm fmo fmr foa fob fof fol fom foo for fra frb frd frf frl frm fro frr la- laa lab lad laf lal lam lao lar lba lbb lbd lbf lbl lbm lbo lbr lda ldb ldd ldf ldl ldm ldo ldr lfa lfb lfd lff lfl lfm lfo lfr lla llb lld llf lll llm llo llr lma lmb lmd lmf lml lmm lmo lmr loa lob lod lof lol lom loo lor lra lrb lrd lrf lrm lro lrr m-f m-o m-r maa mab mad maf mal mam mao mar mba mbb mbd mbf mbl mbm mbo mbr mda mdb mdd mdf mdl mdm mdo mdr mfa mfb mfd mff mfl mfm mfo mfr mla mlb mld mlf mll mlm mlo mlr mma mmb mmd mmf mml mmm mmo mmr moa mob mod mof mol mom moo mor mra mrb mrd mrf mrl mrm mro mrr oaa oab oad oaf oal oam oao oar ob- oba obb obd obf obl obm obo obr oda odb odd odf odl odm odo odr of- ofa ofb ofd off ofl ofm ofo ofr ola olb old olf oll olm olo om- oma omb omd omf oml omm omo omr oo- ooa oob ood oof ool oom ooo oor or- ora orb ord orf orl orm oro orr ra- raa rab rad raf ral ram rao rar rba rbb rbd rbf rbl rbm rbo rbr rda rdb rdd rdf rdl rdm rdo rdr rfa rfb rfd rff rfl rfm rfo rfr rla rld rlf rll rlm rlo rlr rma rmb rmd rmf rml rmm rmo rmr roa rob rod rof rol rom roo ror rra rrb rrd rrf rrl rrm rrr