bbbee be-er beber beebe beeby beefy beery beffe befur berbe berey berre berru berry beryu beuer beure beury beyer beyre brebu breef breer brere brery breu- breyr brrrr bruer bruff bubbe bubby buber bubry buffe buffy burey burru burry burye buyer by-by bybee byffe byrre ebber ebure eeeee efere effer effry efuru erbbe erber ereby erere errey eruby euery eurre eury- eyere eyrer febre feere ferr- ferre ferry feuer feyer feyre freer frere freur freyr fryer fu-fu fubby fuffy furby furey furry fyffe rebbe reber rebuy reefe reefy reere refer reffe refry rere- reree reuer reyff rubby rubee ruber rubey ruere ruffe ruffy rurey rybee ryffe uber- uerry ufere urubu uryu uryuu uuuuu ye-ye yebyu yeere yeffe yerby yeyre yfere yfree yubbe yuefu yuery yurre yuyue