bibri bipib birth birur bitit bitru bitti bitup brith britt brrrr bruit bruiu bruri btr-t buith burri burru burtt burut butit butut h-iib hhhhh hi-hi hibhi hibit hibri hibur hipp- hippi hirth hirur hitit hitup hthrt httpr hubur huhuh hurri hurtt hurtu hurup hutir hutit huttu hutup huuru ibbur ihurt iiiii iitti ipiti ipubi irbit irrit irupi itbit itrip ittti itu-r itu-t ituri ituru itutu iuput phhir phiph phiri phpbb phpht phtpp phutu piiri pipit pippi pipri pirri pirui pitip pitri pitru pitth pitti piuri piuru priit priti pritt ptprb ptprh ptprr ptprt ptpru puhtu pupri puthi putit putt- putti puttu putup puuri ribbi ribup ripit ripup rirpu rithi rubbi rubup ruhub ruiru rupit ruthi ruthu ruuth ruutu t-hub tbtbt tbutt thibi thiri thiru thrip thrub thttp thuir thuit thurt thuru ti-hi ti-ti tibbi tibbu tibur tipit tippi tippu tipup tirit tirru tirth tirur tithi titii titti titup tribu triip tripi tripp tript trit- tritt trubu truit trupt truth ttttt tubi- tubri tuppi turbi turbt turit turph turri turtu turup turut tutti tuubi tuuri tuuru u-bit ubirr uh-uh uhhuh uhtri uhuru uitti upput urith urphi urubu uruit ururi uruti urutu uttur uturu uuuuu