e-pro eeeee eepee efere effer efore eofor eorre erere erewe eroor erore errew error exore exper expow expro feeor feere fefor feoff ferow ferox ferr- ferre ferro fewer fexpr foore fore- foreo forex forow forro forwe fower foxer foxxx freep freer freex frere froop frore fweep fxpro o-fer oeppo offer offew offof offre offwe ofpop oo-er ooooo oowee opepe opere opper oreo- orere orero orexo orfeo orfoe orfor oroer orrow orwoe owre- p-o-x p-rep peere pepee peppe perer perox perre perro pewee pewex pewpe pewre pforp po-po pooer poope poopo poore poper popex popop popow poppe poppo porer poro- porro pow-r powee power powow powpe powre pppox preef preff preop prewe proer profe proff proof proor prop- prope propp propr prore reefe reepe reere reewe refer reffe reffo reorx reowe repew repop repor reppe repro reprw rere- reree rerow rewer rexer ro-ro roero roewe roffe rofor rooer roofe roope roore roper roppe rorer rower rowfe rowff rowof rowwe rperf rprop weepe weere weero weffe weope weore weowe weper were- werew werpe werre wooer woore woree worow worpe worre wowee wowow wrowe wwoof wwwww xero- xerox xexex xorro xoxox