bbbb bbdd bbin bd-r bdii bdin bibb bibi bidi bidr bidu biin bin- bind bini binn binu binz birb bird biri birn birr biru bizu bizz bnib bnin bnrr brid brin briz brrr brud brun bruz bubb bubi bubu budb budd budi budu buid buin buir buiu bunb bund buni bunn bunu bunz bur- burb burd buri burn burr buru burz buuz buzi buzz bzzz dbrn dddd ddub dibb didi didu diii din- dini dinn dinu dird dirr dizi dizu dizz drib drin drub drui druu dub- dubb dubu dudd dudu duid duin duir dunn duri durn duru duur duzi dzbb dzbn dzrr dzud dzur ibid ibrd ibri idid idin idir idub idun iiii inbd ind- indi indu inid inni innr innu inri inui inun iri- irid irin irri irun iuiu n-ii nddb ndri nibi nidd nidi niir niiu nind nini niru niur nndb nnnn nrrd nubi nudd nudi nuin nunn nurd nuri nurn nurr nuru nuzi nzrb rbbb rbbr rib- ribu ridd ridi riin rind rinn riri rizi rizu rizz rnbr rnin rrrr rrun rubb rubi rubu rudd rudi ruid ruin ruiz rund runi runn rurd ruri ruru ruud ruun ruzi ubbi ubid ubii ubir ubud uddi udid udin udir udun uirr unbd undi uni- unii unin unir unni unuz urbi urdu urdz urib urin uriu urni urri urun urur uruz uuni uuri uuuu uzin uzun uzzi zidi zinn ziri zizi zizz zrin zubi zubr zubu zuid zuni zunz zurb zurn zurr zuru zuun zuzu zzzz