bbbb bbdd bbdo bbpr bd-r bdii bdmi bdrm bibb bibi bibo bidi bido bidr bimo bio- bioi bipm bipp birb bird biri biro birr bmdb bmdp bmir bmmi bmop bobb bobi bobo bodb bodi bodo boi- boid boii boim bomb bomi bomp boob bood boom boop boor bopp bor- bord bori borm boro borr bprd brdm brdo brid brim brio brob brod brom broo bror brrm brrr d-bo dbpd dddd ddpo dibb dibo dibp didi dido diii dimi dimm dimo dimp diop dior dipo dipp dird dirr dmop dmrb dobb dobi dod- dodd dodi dodo doid domb domi domm domo domp doob dood doom doop door dopo dopp dopr dord dori dorm doro dorp dorr dpmi dpmo drib drip drob drod drom drop ibbm ibdo ibid ibim ibmp ibrd ibri ibro idbm iddm iddo idid idio idir idro iiii iiio iioi iioo iiop iipm imbi imdb imdi imid imir immi immo imod impi impr imri imro imrr iobi iod- iodd iodo ioii ioio iomo iooi iooo iori ipdi ipid ipmi ipmp ipod ipop ippo ippr ipri irbm irbp irdo irdp iri- irid irio irip irmo irob irod irop irri mbdb mbim mbio mddm mdii mdmp mdop mdpi mdpp mid- midi mido miii miio mim- mimd mimi mimo mimp mio- mipi mipr mird miri miro mirr mmdb mmdi mmii mmmd mmmm mmod mmor mmpi mmpr mmrp mobb mobi mobo modd modi modo moii moio moir momi momo moob mood moop moor mopp morb mord mori moro mpio mpir mppp mpri mpro mprp mrbb mrbm mrdd mrmd obbo obid oboi obor obri obro odbo oddd oddi odio odir odmr odom odoo odop odor odrp oido oiii oimb ombo omdb omid omim omio omo- omoi omoo omor omri omro oobi oodi ooid oooo oord opii opio opo- opor oppi oppo orbb orbi orbo ordo ori- orid orio ormo oro- orom oror orpi orri orro pbmr pdmi pdpr pibb pibi pido piip pimi pimp piob pipi pipo pipp piri piro pirr pmbr pmip pmmp pmoi pmpm pmpo pobo pod- podd podi podo poid poio pomi pomo pomp pood poop poor pop- popi popo popp porb pori poro porr ppib ppid ppod pppd pppo pppp pprm pri- prid prii prim pro- prob prod prom proo prop prpd prrd prri prrm rbbb rbbr rdbm rdbp rdio rib- ribo ridd ridi rido rimi rimm rimo riom ripd ripi ripp ripr riri rmrp rob- robb robi robo rodd rodi rodo roid roio roir romb romd romi romm romo romp roob rood rooi room roop roor ropo rori roro rpdp rpii rpob rrmp rrrr