bbbb bbin bbpr bibb bibi bibo biin bimo bin- bini binn bino bio- bioi bion bipm bipp birb biri birn biro birr bmir bmmi bmop bnib bnim bnin bnor bnpp bnrr bobb bobi bobo boi- boii boim boin bomb bomi bomp boni bonn bono boob boom boon boop boor bopp bor- bori borm born boro borr bpmn brim brin brio brno brob brom bron broo bror brrm brrr i-no ibbm ibim ibmp ibon ibri ibro iiii iiio iinm iino iioi iioo iiop iipm imbi imin imir immi immo imno imon impi impr imri imro imrr inbo inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iobi ioii ioio iomo ioni ionn iono iooi iooo iori ipin ipmi ipmp ipop ippo ippr ipri irbm irbp iri- irin irio irip irmo irob iron irop irri mbim mbio miii miin miio mim- mimi mimo mimp mini minn mino mio- mion mipi mipr miri miro mirr mmii mmmm mmor mmpi mmpr mmrp mnbb mnin mnop mnpo mobb mobi mobo moii moin moio moir momi momo mon- moni monn mono moob moon moop moor mopp morb mori morn moro mpio mpir mpni mppp mpri mpro mprp mrbb mrbm mron n-ii nbbo nbpp nibi nibm nibo niip niir nimb nimi nimo nimp nimr nini nino nion nioo nipr niro nmon nmri nnnn nnpi nnpr nobi nobm nobo noib noin noio noir nom- nomi nomo non- noni nonn nono noo- noob noon nooo noop noor nor- norb nori norm norn noro norr npin npri nprm nron nrpn obbo obin oboi obon obor obri obro oiii oimb oion ombo omim omin omio omn- omni omo- omoi omon omoo omor omri omro onir onni onno onon onor oobi oooo opii opin opio opo- opon opor oppi oppo orbb orbi orbo ori- orin orio ormn ormo orni orno oro- orom oron oror orpi orri orro pbmr pibb pibi piip pimi pimp pini pinm pinn pino pinp piob pion pipi pipo pipp piri pirn piro pirr pmbr pmip pmmp pmoi pmpm pmpo pnin pnnm pnom pnon pnpo pnpp pnro pobo poin poio pomi pomo pomp poni pono ponp poon poop poor pop- popi popo popp porb pori porn poro porr ppib pppn pppo pppp pprm pri- prii prim prin prnp pro- prob prom pron proo prop prri prrm rbbb rbbr rib- ribo riin rimi rimm rimo rinn rino riom rion ripi ripp ripr riri rmon rmrp rnbr rnin rob- robb robi robo roin roio roir romb romi romm romo romp roni rono roob rooi room roon roop roor ropo rori roro rpii rpob rpon rppn rrmp rrrr