bbbee bbook bcock bebek becco becke becov becue beebe beeke beeve bekke bekko bekok beuve bevce bevke bevue bo-bo bobek bobko boboc bobok bobov bocce bocke boece boeck boeke bokeo bokko bokok bokov booce boock booco booke booko bouce bouck bouee bouke bouko bovec bovee bubbe bucco bucek buceo bucko bucku bucov bukk- bukov buvce c-evo ccccc cebec ceco- cekov ceoce co-bo co-co cobbe cobue cocc- cocce cocco coceo cocke coeve cokk- cooee cooke couco couve covek coveo cubbe cubeb cubo- cubub cucuk cuevo cuoco cuvee ebeko ebook eboue eecke eeeee eevee ekeko ekuku eveck eveve evocb evoke kebbe kebek kebob keeve kekec ko-ko kobee kobuk kocek kocke kocov kokko kokou kubek kubok kucuk kukec kukko kukok obcov obock oboue ocoee oeco- okeke okobo okoc okubo okuku ooooo oovoo oveco u-cee ubobo uceku ukeke ukobu uouee uuuuu v-bob vecke vecov veeck veeco veeve vekke veuve vevce veveo vokee vokov voobu vucko