-ing bbbb bbdd bbin bbng bbrg bd-r bdii bdin bgun bibb bibi bidi bidr bidu bigb bigd bigg bign bigu biin bin- bind bing bini binn binu birb bird birg biri birn birr biru bnib bnin bnrr brid brig brin brrr brud brug brun bubb bubi bubu budb budd budg budi budu bugg bugi buid buin buir buiu bunb bund bung buni bunn bunu bur- burb burd burg buri burn burr buru dbrn dddd ddub dibb didi didu digg digi diii din- ding dini dinn dinu dird dirr drib drin drub drug drui druu dub- dubb dubu dudd dudu dugu duid duin duir dung dunn durg duri durn duru duur gddb gggg ggrn gibb gidd gidi gigg gigi gign ging gini ginn ginu gird girg giri girn girr giru giur gnib gnin gnrr grbr grib grid grig grin grni grrr grub grug grui grun grur gubb gubi gubu gudi gudu gugb gugg gugi gugu guib guid guin gund gung gunn gurb gurd gurg guri gurn gurr guru ibid ibrd ibri idid idig idin idir idub idun igni ignu igri iiii inbd ind- indi indu inid inig inni innr innu inri inui inun iri- irid irig irin irri irun iuiu n-ii nddb ndri ngri ngur nguu nibi nidd nidi nigg niir niiu nind ning nini niru niur nndb nngn nnnn nrrd nubi nudd nudi nuin nung nunn nurd nuri nurn nurr nuru rbbb rbbr rgbi rib- ribu ridd ridi rigg rigi rigu riin rind ring rinn riri rnbr rnin rrrr rrun rubb rubi rubu rudd rudi rugg rugi ruid ruin rund rung runi runn rurd ruri ruru ruud ruun ubbi ubid ubii ubir ubud uddi udgb udid udig udin udir udun ugni ugri ugur uguu uirr unbd undi ungu uni- unii unin unir unni urbi urdu urgi urgu urib urin uriu urni urri urun urur uuni uuri uuuu