-ing bbbb bbgm bbin bbmg bbng bbpr bbrg bgon bibb bibi bibo bigb bigg bign bigo biin bimo bin- bing bini binn bino bio- biog bioi bion bipm bipp birb birg biri birn biro birr bmir bmmi bmop bnib bnim bnin bnor bnpp bnrr bobb bobi bobo bogg bogi bogo boi- boii boim boin bomb bomi bomp bong boni bonn bono boob boog boom boon boop boor bopp bor- borg bori borm born boro borr bpmn brig brim brin brio brno brob brog brom bron broo bror brrm brrr gbbo gbon gggg ggpo ggrn gibb gigg gigi gign gigo gimo gimp ging gini ginn gino giog gioi gion giop gipi gipp girg giri girn giro girr gmmr gmpi gnib gnin gnip gnom gnoo gnrr gobi gobo gogi gogo goin goip gomb gomi gomn gomo gon- gong goni gonn gono goog gooi goom goon goop goor gopi gopo gorb gorg gori gorm gorn goro gorp gorr gpgp gpip gprp grbr grib grig grim grin grip grni grob grog groi grom gron groo grop gror grrr i-go i-no ibbm ibim ibmp ibon ibri ibro igbo igni igno igon igoo igor igri iiii iiio iinm iino iioi iioo iiop iipm imbi imin imir immi immo imno imon impi impr imri imro imrr inbo ingo inig inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iobi ioii ioio iomo ioni ionn iono iooi iooo iorg iori ipin ipmi ipmp ipop ippo ippr ipri irbm irbp irgm iri- irig irin irio irip irmo irob iron irop irri mbim mbio mgrm migg migi migo miii miin miio mim- mimi mimo mimp ming mini minn mino mio- mion mipi mipr mirg miri miro mirr mmgn mmii mmmm mmor mmpi mmpr mmrp mnbb mngr mnin mnop mnpo mobb mobi mobo mogg mogi mogo moii moin moio moir momi momo mon- mong moni monn mono moob moog moon moop moor mopp morb morg mori morn moro mpio mpir mpni mppp mpri mpro mprp mrbb mrbm mrgn mrng mron n-ii nbbo nbpp ngio ngmn ngom ngon ngor ngri nibi nibm nibo nigg nigo niip niir nimb nimi nimo nimp nimr ning nini nino niog nion nioo nipr niro nmon nmri nngn nnnn nnpi nnpr nobi nobm nobo nogg nogo noib noin noio noir nom- nomi nomo non- nong noni nonn nono noo- noob noon nooo noop noor nor- norb norg nori norm norn noro norr npin npri nprm nron nrpn obbo obin oboi obon obor obri obro ogb oggi ogin ogni ogog ogoi ogon ogri ogro oigo oiii oimb oion ombo omgp omim omin omio omn- omni omo- omoi omon omoo omor omri omro ongi ongo onir onni onno onon onor onpg oobi oooo opii opin opio opng opo- opon opor oppi oppo orbb orbi orbo orgn orgo ori- orig orin orio ormn ormo orni orno oro- orom oron oror orpi orri orro pbmr pgib pgmp pibb pibi pigb pigg pign pigo pigp piip pimi pimp ping pini pinm pinn pino pinp piob pion pipi pipo pipp pirg piri pirn piro pirr pmbr pmip pmmp pmoi pmpm pmpo pnin pnnm pnom pnon pnpo pnpp pnro pobo pogg pogo poin poio pomi pomo pomp pong poni pono ponp poon poop poor pop- popi popo popp porb porg pori porn poro porr ppgi ppib ppig pppn pppo pppp pprm pri- prig prii prim prin prnp pro- prob prog prom pron proo prop prri prrm rbbb rbbr rgbi rib- ribo rigg rigi rigo riin rimi rimm rimo ring rinn rino riom rion ripi ripp ripr riri rmon rmrg rmrp rnbr rnin rob- robb robi robo rogg rogi rogo roig roin roio roir romb romi romm romo romp rong roni rono roob roog rooi room roon roop roor ropo rori roro rpii rpob rpon rppn rrmp rrrr