-ing bbbb bbfn bbgm bbin bbmg bbng bbrg bfgf bgon bibb bibi bibo biff bifi 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 boff bogg bogi bogo boi- boii boim boin bomb bomi bong boni bonn bono boob boof boog boom boon boor bor- borf borg bori borm born boro borr brfm brig brim brin brio brno brob brog brom bron broo bror brrm brrr fbom ffff ffii ffrr fiff fifi fifm fifo figg figo fiii fimo fimr fing fini finn fino fion fior firm firn fmno fmri fofo fogg fogi fogn fogo foin fomo fong fono foof foom foon for- forb forg fori form forn foro forr frib frig frim frin frio frmn frob frog from fron gbbo gbon gfor ggfg gggg ggrn gibb giff gigg gigi gign gigo gimo ging gini ginn gino giog gioi gion girg giri girn giro girr gmmr gnib gnin gnof gnom gnoo gnrr gobi gobo goff gofr gogi gogo goif goin gomb gomf gomi gomn gomo gon- gong goni gonn gono goof goog gooi goom goon goor gorb gorf gorg gori gorm gorn goro gorr grbr grib grif grig grim grin grni grob grof grog groi grom gron groo gror grrr i-go i-no ibbm ibfi ibim ibon ibri ibro ifbb ifim ifni ifno ifnr ifor ifrb ifrf ifri igbo igni igno igon igoo igor igri iiii iiio iinm iino iioi iioo imbi imfi imin imir immi immo imno imof imon imri imro imrr inbo infi info ingo inig inni inno innr ino- inoi inon inor inri inro iobi ioii ioio iomo ioni ionn iono ioof iooi iooo iorg iori irbm irfm irgm iri- irig irin irio irmo irob iron irri mbim mbio mfbm mfng mfor mfri mgrm miff mifi migg migi migo miii miin miio mim- mimi mimo ming mini minn mino mio- mion mirg miri miro mirr mmff mmgn mmii mmmm mmor mmrf mnbb mngr mnin mobb mobi mobo moff mofo mogg mogi mogo moif moii moin moio moir momi momo mon- mong moni monn mono moob moog moon moor morb morf morg mori morn moro mrbb mrbm mrgn mrng mron n-ii nbbo nfff nfib nfon ngio ngmn ngom ngon ngor ngri nibi nibm nibo niff nigg nigo niir nimb nimi nimo nimr ning nini nino niog nion nioo niro nmff nmon nmri nngn nnnn nobi nobm nobo nofi nogg nogo noib noif noin noio noir nom- nomi nomo non- nong noni nonn nono noo- noob noon nooo noor nor- norb norf norg nori norm norn noro norr nron obbo obin oboi obon obor obri obro off- offo offr ofgo ofno ofor ogb ogfr oggi ogin ogni ogog ogoi ogon ogri ogro oigo oiii oimb oion ombo omfg omim omin omio omn- omni omo- omoi omon omoo omor omri omro ongi ongo onir onni onno onon onor oobi ooff oooo orbb orbi orbo orff orfi orgn orgo ori- orif orig orin orio ormn ormo orni orno oro- orof orom oron oror orri orro rbbb rbbr rgbi rib- ribo riff rigg rigi rigo riif riin rimi rimm rimo rinf ring rinn rino riom rion riri rmif rmon rmrg rnbr rnin rob- robb robi robo roff rofo rogg rogi rogo roif roig roin roio roir romb romi romm romo rong roni rono roob roof roog rooi room roon roor rori roro rrif rrrr