eeeee efere effer effry efore eofor eorre erere eroor erore errey error eyeof eyere eyrer feeor feere fefor feoey feoff ferr- ferre ferro ferry feyer feyre fooey foofy foore fore- foreo forro foyer freer frere freyr frore frory froyo fryer fyffe o-fer oeyer oeyre offer offof offoy offre oo-er ooooo oreo- orere orero oreye orfeo orfey orfoe orfor oroer orrey oyoor reefe reefy reere refer reffe reffo refry rere- reree reyff ro-ro roero roffe rofor rooer roofe roofy roore rorer royer ryffe ye-ye yeere yeffe yeoor yeroo yeyre yfere yfree yo-yo yooff yoore yorro