a-a aaa aad aae aaf aam aao ad- ada add ade adf adm ado aea aed aee aef aem aeo af- afa afd afe aff afm afo ama amd ame amf amm amo aoa aod aoe aof aom aoo daa dad dae daf dam dao dda ddd dde ddf ddm ddo de- dea ded dee def dem deo dfa dfd dfe dff dfm dfo dma dmd dme dmf dmm dmo doa dod doe dof dom doo eaa ead eae eaf eam eao ed- eda edd ede edf edm edo eea eed eee eef eem eeo ef- efa efd efe eff efm efo em- ema emd eme emf emm emo eo- eoa eod eoe eof eom eoo faa fad fae faf fam fao fda fdd fde fdf fdm fdo fea fed fee fef fem feo ffa ffd ffe fff ffm ffo fma fmd fme fmf fmm fmo foa foe fof fom foo m-f m-o maa mad mae maf mam mao mda mdd mde mdf mdm mdo mea med mee mef mem meo mfa mfd mfe mff mfm mfo mma mmd mme mmf mmm mmo moa mod moe mof mom moo oaa oad oae oaf oam oao oda odd ode odf odm odo oea oed oee oef oem oeo of- ofa ofd ofe off ofm ofo om- oma omd ome omf omm omo oo- ooa ood oof oom ooo