eeee eefe eeke effi efik efke eiei eike eiki ekek ekki evie evvk f--k feek fefe feff fefi feie feke feve ffee ffff ffii fief fife fiff fifi fiii fike fiki five ieie iiie iiii ikee ikki ivie keef keek keff keif keii keik keke keki keve kevi kfff kffk kffv kfiv kfve kief kiev kife kiff kiii kiik kikf kiki kikk kive kivi kkfi kkik kkkk kkvv kvie kvik kviv kvvf kvvv veie veii veik veke veve vevi vife viff viii viik vike viki vive vivi vvvv