a-a aaa aae aaf aak aam aao aea aee aef aek aem aeo af- afa afe aff afk afm afo aka ake akk akm ako ama ame amf amk amm amo aoa aoe aof aok aom aoo eaa eae eaf eak eam eao eea eee eef eek eem eeo ef- efa efe eff efm efo eka eke ekf eko em- ema eme emf emk emm emo eo- eoa eoe eof eok eom eoo faa fae faf fak fam fao fea fee fef fek fem feo ffa ffe fff ffk ffm ffo fka fkf fkk fkm fma fme fmf fmm fmo foa foe fof fok fom foo ka- kaa kae kaf kak kam kao ke- kea kee kef kek kem keo kfa kff kfm kfo kke kkk kkm kma kme kmf kmk kmm kmo koa koe kof kok kom koo m-f m-o maa mae maf mak mam mao mea mee mef mek mem meo mfa mfe mff mfm mfo mka mke mkk mkm mko mma mme mmf mmk mmm mmo moa moe mof mok mom moo oaa oae oaf oak oam oao oea oee oef oem oeo of- ofa ofe off ofm ofo oka oke okk oko om- oma ome omf omm omo oo- ooa oof ook oom ooo