bibri big-i bigig bipib birgi birgu birur bitit bitru bitti bitup brigg brigi britt brrrr brugg bruit bruiu bruri btr-t bugit bugti burgi burgu burri burru burtt burut butit butut gbiti gibbi gibi- giitu gippi girru gitig gitit grgur grigg gript grrrr grubb gruit gruiu gruut gubbi gubru guggi gugir guipp guiri gupti gurgi gurit gurur gutti ibbur iggri igigi iiiii iitti ipiti ipubi irbit irrit irupi itbig itbit itigi itrip ittti itu-r itu-t ituri ituru itutu iuput pigit piiri pipit pippi pipri pirgu pirri pirui pitip pitri pitru pitti piuri piuru priit priti pritt ptgui ptprb ptprg ptprr ptprt ptpru puggi pupri putit putt- putti puttu putup puugi puuri ribbi ribup rig-i rigup ripit ripup rirpu rubbi rubup rugii rugir ruiru rupit ruutu tbtbt tbutt ti-ti tibbi tibbu tibur tigit tigri tiigi tipit tippi tippu tipup tirig tirit tirru tirur titig titii titti titup tribu trigg triip tripi tripp tript trit- tritt trubu trugg truit trupt ttttt tubi- tubri tuppi turbi turbt turgi turig turit turri turtu turup turut tutti tuubi tuuri tuuru u-bit ubirr ugrug uigur uitti upput urgut urubu uruit ururi uruti urutu uttur uturu uuuuu