eerier effeir effere effirm effium effume emeere emfire emmure er-rif erimem euerie feerie feifer feirie femmer ferfer ferier ferrer ferri- ferrie ferrum ferrur fiefie firmer frefre freire freure fumi-e furfie furfur furrer furrfu i-free iffier imfree imiere imirim immire immure meemie meirre mememe memere merire mermer merrem merrie merure mierie mifumi mimmer mimure mirier mirrer miruru mummer mummie murfie murium murmir murmur murree murrie muumuu reefer reeffe refeff refire refrei reimei reimer remeue remire remufe reueir reuere reuire riffer rififi rimier rimmer rirumu riuere ruffer ruffie rummer umirim uruffe