beblubber beckerek beebeebee bellbrook blubberer blue-bell blue-book bluebelle bobuecker bockelere bokourobe bollebeek bolo-bolo book-lore borborbor broerkerk buckerell buckleboo bukeerere bullbrook bullocker bulubebek cellblock cellocell cercelee cerebell- clobberer cock-bell cockblock cockerell cocklebur colebrook colo-colo coolcolor corollule corrobore couroucou cucklebur cuelebre eco-block ecobroker ellerbeck euroblock ke-bouebo keek-keek keelblock kerekou klobucko kockerell kokerelle koolkerke korukollu koukoulou koukourou leerbroek lero-lero loco-loco lubbecke oberbruck ooblek our-croce rebellour recercele reco-reco recourere reo-coker rockbrook rockcreek roocoocoo roulekere rule-book ulkucu ulkuculuk