-ing bbbb bbgm bbin bbmg bbng bbrg bgon bibb bibi bibo bigb bigg bign bigo biin bimo bin- bing bini binn bino bio- biog bioi bion birb birg biri birn biro birr bmir bmmi bnib bnim bnin bnor bnrr bobb bobi bobo bogg bogi bogo boi- boii boim boin bomb bomi bong boni bonn bono boob boog boom boon boor bor- borg bori borm born boro borr brig brim brin brio brno brob brog brom bron broo bror brrm brrr gbbo gbon gggg ggrn gibb gigg gigi gign gigo gimo ging gini ginn gino giog gioi gion girg giri girn giro girr gmmr gnib gnin gnom gnoo gnrr gobi gobo gogi gogo goin gomb gomi gomn gomo gon- gong goni gonn gono goog gooi goom goon goor gorb gorg gori gorm gorn goro gorr grbr grib grig grim grin grni grob grog groi grom gron groo gror grrr i-go i-no ibbm ibim ibon ibri ibro igbo igni igno igon igoo igor igri iiii iiio iinm iino iioi iioo imbi imin imir immi immo imno imon imri imro imrr inbo ingo inig inni inno innr ino- inoi inon inor inri inro iobi ioii ioio iomo ioni ionn iono iooi iooo iorg iori irbm irgm iri- irig irin irio irmo irob iron irri mbim mbio mgrm migg migi migo miii miin miio mim- mimi mimo ming mini minn mino mio- mion mirg miri miro mirr mmgn mmii mmmm mmor mnbb mngr mnin mobb mobi mobo mogg mogi mogo moii moin moio moir momi momo mon- mong moni monn mono moob moog moon moor morb morg mori morn moro mrbb mrbm mrgn mrng mron n-ii nbbo ngio ngmn ngom ngon ngor ngri nibi nibm nibo nigg nigo niir nimb nimi nimo nimr ning nini nino niog nion nioo niro nmon nmri nngn nnnn nobi nobm nobo nogg nogo noib noin noio noir nom- nomi nomo non- nong noni nonn nono noo- noob noon nooo noor nor- norb norg nori norm norn noro norr nron obbo obin oboi obon obor obri obro ogb oggi ogin ogni ogog ogoi ogon ogri ogro oigo oiii oimb oion ombo omim omin omio omn- omni omo- omoi omon omoo omor omri omro ongi ongo onir onni onno onon onor oobi oooo orbb orbi orbo orgn orgo ori- orig orin orio ormn ormo orni orno oro- orom oron oror orri orro rbbb rbbr rgbi rib- ribo rigg rigi rigo riin rimi rimm rimo ring rinn rino riom rion riri rmon rmrg rnbr rnin rob- robb robi robo rogg rogi rogo roig roin roio roir romb romi romm romo rong roni rono roob roog rooi room roon roor rori roro rrrr