eeee eefe eeke eemo efeo effi efik efke efmi eiei eike eiki eiko eime eimi ekek ekki ekoi emek emii emim emme emmi f--k feek feem fefe feff fefi fefo feie feio feke feko feme femi femm feof ffee ffff ffii fief fife fiff fifi fifm fifo fiii fike fiki fime fimo fioe fofo foie foke foki fome fomo foof fook foom ieie ieio ieme ifim iiie iiii iiio iioi iioo ikee ikki ikko ikmo ikom ikoo imfi imme immi immo imof imok ioee ioii ioio ioke ioko iome iomo ioof iooi iooo keef keek keem keff keif keii keik keio keke keki keko keme kemi kemm kemo keok keom kfff kffk kffm kfio kfme kfmf kfmi kfmk kfmm kfmo kfok kfom kfoo kief kife kiff kifm kiii kiik kikf kiki kikk kiko kime kimi kimm kimo kioe kioi kiok kioo kkfi kkfm kkik kkim kkkk kkmi kkmk kkmo kkoo kmei kmem kmeo kmfm kmke kmkf kmkk kmko kmme kmmf kmmk kmmm kmmo kmoe kmok kmom koei kofe koff kofi kofk kofm kofo koii koke kokf koki kokk koko kome komi komo kooi kook kooo meef meek meem mefe meff mefi mefo meik meke meki meko meme memo meok miee miek miem miff mifi mifk miii miio mike miki mikk miko mim- mime mimi mimo mio- mkfm mkie mmff mmii mmmm moef mofe moff mofo moif moii moio moke moki moko mome momi momo mooe mook o-eo oeme ofek ofem off- offe offo ofik ofme oiii oike oiko oime okie okko okmo okok okom omee omei omeo omie omim omio omo- omoe omoi omoo ooff oome oooo