bbbb bbbs bbdd bbdo bboy bbpr bbyo bd-r bdii bdos bdry bdsd bibb bibi bibo bibs bidi bido bidr bids biis bio- bioi bios bipp bips birb bird biri biro birr birs biry bis- bisd biso bisp biss bisy biys bobb bobi bobo bobs boby bodb bodi bodo bods body boi- boid boii bois boob bood boop boor boos bopp bops bor- bord bori boro borr bors bory bosi boso boss boyd boyi boyo boys bprd brdo brds brdy brid brio bris brob brod broo bror bros brrr brrs brsb brsr bry- bryd bryo bsbd bsod bsos bspp bspr bsrd bssd byob byod byoi byop byos byrd bysb bysi byso bysp byss bysy byyd d-bo dbos dboy dbpd dbrs dbss dddd ddpo ddps ddry ddss dibb dibo dibp dibs diby didi dido dids didy diii diis diop dior dios dipo dipp dips dird dirr dirs dis- disd disi diso disp diss disy diyi dobb dobi dobs doby dod- dodd dodi dodo dods dody doid dois doob dood doop door doos dopo dopp dopr dops dopy dord dori doro dorp dorr dors dory dosi doso doss dosy doyo dpos dpsd dpyd dpys drib drip drob drod drop droy drrs drsp dry- drys dsdp dsdr dsip dsos dsps dsri dsrp dsrr dssi dssp dydd dyio dyo- dyoo dyor dyr- dyrb dyri dyro dys- dysi dysp dysr dyss dyyr i-by ibdo ibid ibis ibos ibrd ibri ibro ibss ibyi iddo idid idio idir idis idos idps idro idso idss iiii iiio iiis iioi iioo iiop iios iirs iisd iisi iisp iisr iobi ioby iod- iodd iodo ioii ioio iooi iooo ioos iops iori iors ioso ipdi ipid ipod ipop ipos ippo ippr ippy ipri ipsi ipso ipsp ipss irbp irby irdo irdp irds iri- irid irio irip iris iriy irob irod irop irps irri irrs irsp isbd isdb isds isis iso- isop isor isos ispr isps ispy isri isrp issi isso issp issr isss issy isys iyos obbo obby obid obis oboi obor obos oboy obri obro obsd obsr obss odbo oddd oddi odds oddy odio odir odis odoo odop odor odos odrp odry odso odyr oido oids oiii oios oiry oisd oobi ooby oodi ooid oooo ooos oops oord oory oosi opds opii opio opis opo- opor opos oppi oppo opps oppy opry opsi opsy orbb orbi orbo orbs orby ordo ords ori- orid orio oris oro- oror oros oroy orpi orps orri orro orrs orry orsi orso orsy orys osbp osby osdi osii osip osis osoi osoo osor osos osrd osro ossb ossd ossi osso ossy osyp oyri oyss pbrs pbsp pdbs pdos pdpr pdrs pdsd pdss pibb pibi pido pids piip piob pipi pipo pipp pips pipy piri piro pirr pirs piry pisd pisi piso piss pisy piyo piys pobo pobs pod- podd podi podo pods pody poid poio pois pood poop poor poos pop- popi popo popp pops popy porb pori poro porr pors pory posb posi poso poss posy poyo poyr poys ppds ppib ppid ppod ppos pppd pppo pppp ppps ppss prbs pri- prid prii pris pro- prob prod proo prop pros prpd prps prrd prri prrs prsd prsi prso prss prys psbd psbr psdi psdp psdr psds psid psip psis psoi psos pspi pspp pspr psps psrd psrp psso psy- psys pyo- pyos pypy pyr- pyri pyro pyry pyss rbbb rbbr rbbs rbds rbis rbsd rbsp rbss rdbp rdio rdos rdso rib- ribo ribs riby ridd ridi rido rids riis rios ripd ripi ripp ripr rips riri rirs risd risi riso risp riss riyo rob- robb robi robo robs roby rodd rodi rodo rods rody roid roio roir rois roob rood rooi roop roor roos ropo rops ropy rori roro rory rosi roso rosp ross rosy royd roys rpdp rpii rpob rpos rpps rrrr rrsp rsbi rsdd rsds rsid rsis rsos rspb rspo rsps rybp rydy ryip ryis ryob rysy s-ib s-ii s-os sbbs sbds sbor sbsd sbsi sbsp sdds sdib sdio sdpr sdps sdrs sdry sdss sibi sibo sibs siby sidd sidi sido sidr sids sidy siod siop sior sios sipi sipo sipp sips sipy siri siro sirp sirr sirs sisd sisi siss sisy siyi sobo sobp sobr sobs sodd sodo sods sody soir sois sood soop soor soos sooy sopd sopi sopo sopp sops sopy sorb sord sori soro sorr sors sory sosi soso soss soyo soys spby spdp spdr spdy spib spio spip spir spis spod spoo spop spor spos spoy sppd spps sprd spri spro sprs spry spsd spso spsp spss spy- spyr spys srby srib sris sros srps srsd srsp ssbr ssby ssdd ssdp ssid ssis ssop sspo ssps ssri ssrs sssb sssi ssss sybo sydi syds syis sypo syro syrs syry syso syss ybbs ybor ybry yidi yids yips yirb yird yirr yiss yobi yobo yobs yodo yods yood yoop yopo yopy yord yori yoro yory yosi yoso yoyo ypir ypsi ysby ysii ysop yspi ysyb yyyy