bbbbbbbb blogroll bo-bo-bo bob-fool bogogobo borbogou boughouf bourghol bourghul broubrou buhlbuhl bullfrog bullhoof bullhook bullough burrough buruburu fourbour frohburg froufrou fulbrook furfurol furlough gogogogo goof-off gouforou groogroo hokohoko holbrook holloko holoholo horohoro houghful hubbuboo hurr-bur khorkhog kobukuro kohukohu kokborok kokologo kolokolo korbolko koroghlu kukukuku kukuruku kululogu kuruburu kurukuru log-book log-roll lookbook off-book off-hook off-hour ogu-bolo ohboohoo okrouhlo oolooloo rokkurro roll-off roof-hub roulroul ubbubboo uh-uh-uh uluborlu