-ing bbbb bbin bbng bbrg bgun bibb bibi bigb bigg bign bigu biin bin- bing bini binn binu biny birb birg biri birn birr biru biry bnib bnin bnrr brig brin brrr brug brun bry- bryn bubb bubi bubu bugg bugi buin buir buiu bunb bung buni bunn bunu bur- burb burg buri burn burr buru bury buyi buyu bygg byng byrn byun gggg ggrn gibb giby gigg gigi gign ging gini ginn ginu girg giri girn girr giru giry giur gnib gnin gnrr grbr grib grig grin grni grrr grub grug grui grun grur gry- gryn gubb gubi gubu guby gugb gugg gugi gugu guib guin gung gunn guny gurb gurg guri gurn gurr guru gury guyu gyn- gyng gyr- gyri gyrn gyuu i-by ibri ibuy ibyi iggy igni ignu igny igri iiii inby inig inni innr innu inny inri inui inun irby iri- irig irin iriy irri irun iryn iuiu iyng n-ii ngri ngur nguu nibi nigg niir niiu ning nini niru niur niyi nngn nnnn nubi nuby nuin nung nunn nuny nuri nurn nurr nuru nyny nyrb rbbb rbbr rgbi rib- ribu riby rigg rigi rigu rigy riin ring rinn riny riri rnbr rnin rrrr rrun rubb rubi rubu ruby rugg rugi ruin rung runi runn runy ruri ruru ruun ruyi ryng rynn ryun ubbi ubii ubir ugni ugny ugri ugur uguu uirr ungu uni- unii unin unir unni urbi urgi urgu urib urin uriu urni urri urry urun urur uryn uuni uuri uuuu uuyn uyin uyir ybry ygun ying yirb yirn yirr ynug yrin yrun yryn yubu yugg yugi yugu yuin yung yuny yuri yurn yury yuyu yyyy