bbbb bbgm bbmg bboy bbrg bbyo bibb bibi bibo bigb bigg bigo bimo bio- biog bioi birb birg biri biro birr biry bmir bmmi bobb bobi bobo boby bogg bogi bogo bogy boi- boii boim bomb bomi bomy boob boog boom boor bor- borg bori borm boro borr bory boyg boyi boyo brig brim brio brob brog brom broo bror brrm brrr bry- bryo bygg bygo byob byoi gbbo gggg gibb giby gigg gigi gigo gimo giog gioi girg giri giro girr giry gmmr gobi gobo goby gogi gogo gomb gomi gomo goog gooi goom goor gorb gorg gori gorm goro gorr gory goym grbr grib grig grim grob grog groi grom groo gror groy grrr gry- gyor gyr- gyri gyro i-by i-go ibbm ibim ibri ibro ibyi igbo iggy igoo igor igri iiii iiio iioi iioo imbi imir immi immo immy imri imro imrr iobi ioby ioii ioio iomo iooi iooo iorg iori irbm irby irgm iri- irig irio iriy irmo irob irri mbim mbio mgrm migg migi migo miii miio mim- mimi mimo mimy mio- mirg miri miro mirr miry mmii mmmm mmor mmyy mobb mobi mobo moby mogg mogi mogo moii moio moir momi momo momy moob moog moor morb morg mori moro mory moyo mrbb mrbm mybb mybi myi- myir mymy myo- myob myro myrr myry obbo obby oboi obor oboy obri obro ogb oggi oggy ogog ogoi ogri ogro ogry oigo oiii oimb oiry ombo omim omio omo- omoi omoo omor omri omro oobi ooby oooo oory orbb orbi orbo orby orgo orgy ori- orig orio ormo ormy oro- orom oror oroy orri orro orry oyri rbbb rbbr rgbi rib- ribo riby rigg rigi rigo rigy rimi rimm rimo rimy riom riri riyo rmrg rob- robb robi robo roby rogg rogi rogo rogy roig roio roir romb romi romm romo romy roob roog rooi room roor rori roro rory rrrr ryim ryob ybor ybry ygor yirb yirm yirr ymir yobi yobo yogi yogo yomi yomo yori yoro yory yoyo yyyy