bulbo- bulbul bullou bulolo burbur burolo buruku fluor- fluoro foboff foofoo foofur foufou fourof fourou frbroo frollo fukuro fullof furfur furour furrfu klobuk klub-u koboko kofuku kokofu kokoku kokolo kokoro kokubo kokufu kolbor kolluk kololo kookoo korbul korkor kororo korubo koruru koubou kouffo koukou koulfo koulou kouoro kourou kullur kulolo kuloor kululu kuo-fu kurkul kuroko kururu lloro lobolo lokrur lolobo loloru looloo loukou loulou lourlo lubbor lufful lukulu lurulu okollo olobok oluklu ookroo oooooo orloff orobol oroluk orrour robolo roflol rokkor rokuko rokuro roloff rouful ruboff rubro- ruurlo ulloor urkulu

bbbbbbb bok-bok boo-boo boobook bookful borobul boukoul bourrou brokoff brokour buffolo fluoro- foo-foo forkful forloff fou-fou furrour kobroor kokorou kolluru kolobok kolokol kor-kor korkoro kuffour kulullu kur-kol lookfor lookoff looroll lukfook off-off offbook oroboro orokolo rollkur rolloff rub-off rubbour ububboo

bbbbbbbb bo-bo-bo bob-fool broubrou buruburu fourbour froufrou furfurol kobukuro kokborok kolokolo korbolko kukukuku kukuruku kuruburu kurukuru lookbook off-book oolooloo rokkurro roll-off roulroul ubbubboo uluborlu

bolo-bolo borborbor bullbrook fllllllll four-four frou-frou fullbrook korukollu koukoulou koukourou

fukubukuro kouroukoro kukkurukuu

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