bbbbbb bibiri bibiru bibsys bibury biribi birrus bisuyu bitium bitrum bittur bribir bribri brimir brimmy brimus brissy britts brubru bruits brumby brummy brumus brusit brutii brutti brutum brutus bs-tbs bububu buissy bumbis bummit burbur buriti burity burris bursts bursty bursut bururi burutu buryit bussum busyty butmir buttir bututs butyr- buysit byrrus byssus bystry i-suit ibitsu ibrium imbrus imbusy imirim immiss immits imuris imusti iris-t irisys iritis iritty isists ismism istisu istrum isurus itmust itsumi ittiri iturbi mbutuy mibbit miburi mimist miriti mirity mirrus mirtus miruru misisi misius missir missis missit missus missys mistir mistis mistri mistry mistur mistus mitrit mitsui miurus miysis miyumi murist muriti muritu murium murmir murmur murrit murtis musiri musist musits musius musmus mussit mussum mustir mustis mustur mustyr musubi musuri mutism mutist mutitu muttur muturi mutuum muumuu mymbyr mymymy myrtis myrtus mysims mysius myssis mystim mystus ribbis ribbit ribisi rirumu risuty ritbum rititi ritius rubrum rubutu rumbur rumti- rurutu russus rustum ryssby rytmus sbirri sibiti sibrit sibuti sibutu siiiii simbir simiri simisi simity simris simsim simsir siriri sirius sirris sirsir sirtir sirtis sirtsi sisisi sistri sitsby sittim siumut siyuri smiris smisby smitty smriti smstrs smurry smutty smyris stibi- stirit stitty strims strums strust strusy struts strutt stu-ii stubbs stubby stummy sturmy sturry sturts sturty stussy styrum subisu submit subsim suburb suburi suists sumisu summit summum summut sumuru surimi surmit sursum surtur surumi surumu suryty sustyr susumu susurr sybris syburi syrmus syrtis sytrus tibbit tibiri timimi timiri timist timmis timmys tirrit titbit titibu titiri titius tituss tityus tribbs tribit tribus tribut trimbs trists tristy tritsu truism truitt trusim trusts trusty tryist trysts trysty trytry tsuris tsurui tsuumi tubism tubist tuiuti tumtum turbit turis turist turmit turmut turris turrum tursib turssu turtur tururu turytt tusmit tussis tussur tutsim tuttis tuttut ubussu umbusi umbuss umirim uritis usiris ussuri usturi utrubi utsumi yibbum yitimu ymbir- yumyum