bbgun bibin bibri biffi big-i bigif bigig bigin binit binub birgi birgu birin birni birun birur bitit bitru bitti bitun brifu brigg brigi bring brini brinn brint britt brrrr bruff brugg bruin bruit bruiu brung bruni brunn brunt bruri bruun btr-t buffi bugit bugti bugun buirn bungi bungu bunin bunun bunut burfi burgi burgu burin burn- burnt burri burru burtt burun burut butin butit butut fibr- fiing fiini finif firit fitin fitit fitri frigg fring fritt fruit frunt ftrtt fu-fu fugit fugug fungi funit furin furir futur gbiti gi-fi gibbi gibi- giing giitu ginir girru gitig gitit gnuff gnuni grftr grgur griff grift grigg grini grinn grint grrrr grubb gruff gruft gruit gruiu gruni grunt gruut gubbi gubin gubru guggi gugin gugir guinn guiri gungu gunib gunit gunni gunnr gurgi gurit gurun gurur gutti ibbur ibtin if-- ifin ifrit ifttt iggri igigi igni- iiiii iitti iiuni inbig inbin infin infit infun ingin ingui ining inini innit inniu innti inrun inuit inurn irbit irgun iring irinn irrit itbig itbit itfit itfun itigi ittti itu-r itu-t ituni ituri iturn ituru itutu iufni iunit ngiri ngugi ngugu nguni nguri nguru nibbi nigun niibi ningi ningu ninib ninti nintu ninur ninut nirit nitin nitr- nitti ntini ntnui nu-nu nugi- nuiit nungi nunit nunni nunun nurin nurit nurri nurun nutri ri-fi ribbi ribin rig-i rigun ringu rintt rngtt rtgun rubbi rubin rufi- rugii rugin rugir ruing ruiru rungu runin runit rutin ruutu t-nut tbtbt tbutt tgfbi ti-ti tibbi tibbu tibin tibni tibur tifni tigin tigit tigri tiigi tingi tinig tinui tinun tirig tirit tirru tirur titig titii titin titti tngri tntnt tribu trigg triin tring trini trit- tritn tritt trubu truff trugg truit trung ttttt tubi- tubin tubri tuffi tufin tufit tugun tungi tunng turbi turbt turgi turig turin turit turn- turnt turnu turri turtu turut tutin tutti tutun tuubi tuuri tuuru u-bit u-n-i u-nii ubirr ugrin ugrug uigur uitti unbit unfit unfun unfur ungig ungur unifi unini uninn uniti unnun unnur unnut unrig unrug unrun unurn urgun urgut urin- uring urubu uruit ururi uruti urutu uting uttur uturn uturu uuuuu