-ing bbbb bbin bblb bbng bbpr bbrg bgon bibb bibi bibl bibo bigb bigg bign bigo biin bili bill bilo bin- bing bini binn bino bio- biog bioi biol bion bipp birb birg biri birl birn biro birr blin blio blip blir blni blno blob blog blon bloo blop blrg bnib bnin bnor bnpp bnrr bobb bobi bobo bogg bogi bogo boi- boii boil boin bolg boli boll boln bolo bong boni bonn bono boob boog bool boon boop boor bopp bor- borg bori born boro borr brig bril brin brio brlp brno brob brog brol bron broo bror brrr gbbo gbon gggg ggpo ggrn gibb gigg gigi gign gigo gilg gili gill gilo ging gini ginn gino giog gioi gion giop gipi gipp girg giri girl girn giro girr gli- glib glin glip glob glog glop glor glpi glrb glro gnib gnin gnip gnoo gnrr gobi gobl gobo gogi gogo goin goip goli goll golo golp gon- gong goni gonn gono goog gooi gool goon goop goor gopi gopo gorb gorg gori gorn goro gorp gorr gpgp gpip gprp grbr grib grig gril grin grip grni grob grog groi grol gron groo grop gror grrl grrr i-go i-no ibon ibri ibro igbo igil igli iglo igni igno igon igoo igor igri iiii iiio iino iioi iioo iiop ilin ilio ilir ill- illi illo illp ilni ilno ilog iloo ilpr inbo ingo inig inni inno innr ino- inoi inol inon inor inp- inpi inpp inri inro iobi ioii ioio iolo ioni ionn iono iooi iooo iopl iorg iori ipil ipin iplo ipop ippo ippr ipri irbp iri- irig iril irin irio irip irlb irob iron irop irri lblr lgin libo libr ligg ligi lign ligo liig liii liin liir lilb lilg lili lill lilo ling linn lino lio- lion lior lip- lipb lipi lipl lipo lipp lirg liri lirl lirn liro lirp lirr llll lloo lnbp lob- lobb lobi lobo log- logb logi logo logp loin loir loli loll lolo long loni lono lonr loob lool loon loop loor lopi lopp lori lorn loro lppl lprp lrgb lroi lron lrrr n-ii nbbo nbpp ngio ngol ngon ngor ngri nibi nibo nigg nigo niip niir nili nill nilo nilp ning nini ninl nino niog nion nioo nipr niro nlgn nlrb nlrp nngn nnnn nnpi nnpr nobi nobo nogg nogo noib noil noin noio noir noli noll nolo nolp non- nong noni nonn nono noo- noob nool noon nooo noop noor nor- norb norg nori norn noro norr npbl npin nppl npri nrlb nron nrpn nrrl obbo obin oboi obol obon obor obri obro ogb oggi ogin ogli ogni ognl ogog ogoi ogon ogpl ogri ogro oigo oiii oion olbo olgr olib olig olin olio olli ollo olog olon olor ongi ongo onil onir onni onno onon onor onpg oobi oolo oooo opii opin opio opng opo- opon opor oppi oppo orbb orbi orbo orgn orgo ori- orig oril orin orio orlo orni orno oro- oron oror orpi orri orro pbil pgib pglo pibb pibi pigb pigg pign pigo pigp piip pil- pili pill pilo ping pini pinn pino pinp piob pion pipi pipo pipp pirg piri pirl pirn piro pirr plbg plbr plib plig plin plio plip plob plog plon ploo plop plpp plri pnin pnln pnnl pnon pnpo pnpp pnro pobo pogg pogo poil poin poio polg poli poll polo pong poni pono ponp pool poon poop poor pop- popi popo popp porb porg pori porn poro porr ppgi ppib ppig ppli pplo pppn pppo pppp pri- prig prii prin prlr prnp pro- prob prog prol pron proo prop prri rbbb rbbr rgbi rib- ribo rigg rigi rigo riin rill rilo rilp ring rinn rino riol rion ripi ripl ripp ripr riri rlin rnbr rnin rnli rob- robb robi robo rogg rogi rogo roig roil roin roio roir roll rolo rolp rong roni rono roob roog rooi rool roon roop roor ropo rori roro rpii rpob rpon rppn rrrr