-ing bbbb bbin bblb bbng bbrg bgon bgun bibb bibi bibl bibo bigb bigg bign bigo bigu biin bili bill bilo bilu bin- bing bini binn bino binu bio- biog bioi biol bion biou birb birg biri birl birn biro birr biru blin blio blir blni blno blob blog blon bloo blou blrg blub blur bnib bnin bnor bnrr bobb bobi bobo bobu bogg bogi bogo boi- boii boil boin boiu bolg boli boll boln bolo bolu bong boni bonn bono bonu boob boog bool boon boor bor- borg bori born boro borr boru boul boun bour brig bril brin brio brno brob brog brol bron broo bror brou brrr brug brun bubb bubi bubo bubu bugg bugi bugo buin buir buiu bulb bulg buli bull bulu bunb bung buni bunn buno bunu buol buon bur- burb burg buri burl burn buro burr buru gbbo gbon gggg ggrn gibb gigg gigi gign gigo gilg gili gill gilo ging gini ginn gino ginu giog gioi gion girg giri girl girn giro girr giru giur gli- glib glin glob glog glor glou glrb glro glub glug glui glun glur gnib gnin gnoo gnrr gobi gobl gobo gogi gogo goin goli goll golo golu gon- gong goni gonn gono gonu goog gooi gool goon goor gorb gorg gori gorn goro gorr gou- goug goul goun gour grbr grib grig gril grin grni grob grog groi grol gron groo gror grou grrl grrr grub grug grui grun grur gubb gubi gubu gugb gugg gugi gugu guib guil guin gulb guli gull gulo gulu gung gunn gurb gurg guri gurl gurn guro gurr guru i-go i-no ibon ibri ibro igbo igil igli iglo iglu igni igno ignu igon igoo igor igri iiii iiio iino iioi iioo ilin ilio ilir ill- illi illo ilni ilno ilog iloo inbo ingo inig inni inno innr innu ino- inoi inol inon inor inou inri inro inui inul inun iobi ioii ioio iolo ioni ionn iono iooi iooo iorg iori ioug ioun iri- irig iril irin irio irlb irob iron irri irul irun iuiu iuno lblr lbug lgbu lgin libo libr libu ligg ligi lign ligo liig liii liin liir lilb lilg lili lill lilo lilu ling linn lino lio- lion lior lirg liri lirl lirn liro lirr liru liun llll lloo lob- lobb lobi lobo log- logb logi logo loin loir loiu loli loll lolo long loni lono lonr loob lool loon loor lori lorn loro loui loul loun lour louu lrgb lroi lron lrrr lugg lugi lugo lugu luin luli lull lulu lung luni lunn luno lurg luri n-ii nbbo ngio ngol ngon ngor ngou ngri ngur nguu nibi nibo nigg nigo niir niiu nili nill nilo nilu ning nini ninl nino niog nion nioo niou niro niru niur nlgn nlrb nngn nnnn nobi nobo nobu nogg nogo noib noil noin noio noir noli noll nolo non- nong noni nonn nono nonu noo- noob nool noon nooo noor nor- norb norg nori norn noro norr noul noun nour nrlb nron nrrl nubi nubl nuin nuli null nung nunn nuno nuon nuri nurl nurn nurr nuru obbo obin oblu oboi obol obon obor obri obro ogb oggi ogin ogli ogni ognl ogog ogoi ogon ogou ogri ogro ogui ogun oigo oiii oion olbo olgr olib olig olin olio olli ollo olog olon olor olur ongi ongo ongu onil onir onni onno onon onor onur oobi oolo oooo orbb orbi orbo orbu orgn orgo ori- orig oril orin orio orlo orlu orni orno oro- oron oror orri orro orub ouii ouin ouir oulu oun- oung our- ourn ouro ouu- rbbb rbbr rgbi rib- ribo ribu rigg rigi rigo rigu riin rill rilo rilu ring rinn rino riol rion riou riri rlin rlug rnbr rnin rnli rob- robb robi robo robu rogg rogi rogo roig roil roin roio roir roiu roll rolo rong roni rono roob roog rooi rool roon roor rori roro roru roub roul roun rrrr rrun rubb rubi rubu rugg rugi ruin rull rulo rung runi runn runo ruri ruro ruru ruun ubbi ubbo ubii ubir ubli ublo ubon uggo ugli ugni ugol ugri ugro ugur uguu uirr ulli ullo ullr ulno ulo- ulog ulul ungo ungu uni- unii unin unio unir unni unno unon unro uor- urbi urgi urgu urib urin uriu urni uro- urol uroo urri urun urur uulu uuni uuno uuri uuuu