b-u bbb bbd bbf bbo bbr bbs bbu bby bdb bdd bdf bdo bdr bds bdu bdy bfb bfd bff bfo bfr bfs bfu bfy bob bod bof boo bor bos bou boy brb brd brf bro brr brs bru bry bsb bsd bsf bso bsr bss bsu bsy bub bud buf buo bur bus buu buy by- byd byf byo byr bys byu dbb dbd dbf dbo dbr dbs dbu dby ddb ddd ddf ddo ddr dds ddu ddy dfb dfd dff dfo dfr dfs dfu dob dod dof doo dor dos dou doy drb drd dro drr drs dru dry dsb dsd dsf dso dsr dss dsu dsy dub dud duf duo dur dus duy dy- dyb dyd dyo dyr dys dyu dyy fbb fbd fbf fbo fbr fbs fbu fdb fdd fdf fdo fdr fds fdu ffd fff ffo ffr ffs ffu ffy fob fof foo for fos fou foy frb frd frf fro frr frs fru fry fsb fsd fsf fso fsr fss fsu fub fud fuf fuo fur fus fuu fy- fyb fyo ob- obb obd obf obo obr obs obu oby odb odd odf odo odr ods odu of- ofb ofd off ofo ofr ofs ofu oo- oob ood oof ooo oor oos or- orb ord orf oro orr ors oru ory os- osb osd osf oso osr oss osu ou- oud ouf ouo our ous oyd oyo oys rbb rbd rbf rbo rbr rbs rbu rdb rdd rdf rdo rdr rds rdu rdy rfb rfd rff rfo rfr rfs rfu rob rod rof roo ror ros rou roy rrb rrd rrf rrr rrs rru rsb rsd rsf rso rsr rss rsu rub rud ruf ruo rur rus ruu ruy ry- ryd ryf ryo ryr rys ryu ryy sbb sbd sbf sbo sbr sbs sbu sby sdb sdd sdf sdo sdr sds sdu sdy sfb sfd sff sfo sfr sfs sfu sob sod sof soo sor sos sou soy sr- srb srd srf sro srr srs sry ss- ssb ssd ssf sso ssr sss ssu sub sud suf suo sur sus suu suy sy- syb syd syr sys syu ubb ubf ubo ubr ubs ubu uby udb udd udf udo udr uds udu ufd uff ufo ufr ufs ufu uob uod uoo uor uos ur- urb urd urf uro urr urs uru ury usb usd usf uso usr uss usu uur uus uuu uyo uys uyu ybf ybr ybs yby ydo yds ydy yfd yff yfr yfs yfu yob yod yof yoo yor yos you yoy yrf yro yrs yru ysb yso ysr yss ysu ysy yud yuo yur yus yuu yuy yyb yyf yys yyu yyy

-ous bbbb bbbs bbdd bbdo bboy bbyo bd-r bdos bdry bdsd bduf bffs bfsr bobb bobo bobs bobu boby bodb bodo bods bodu body bofd boff bofs bofu boob bood boof boor boos bor- bord borf boro borr bors boru bory boso boss bosu boud bouf bour bous bouy boyd boyf boyo boys brdo brds brdy brfu brob brod broo bror bros brou brrr brrs brsb brsr brud brus bry- bryd bryo bsbd bsff bsfs bsod bsos bsrd bssd bubb bubo bubs bubu budb budd budo buds budu budy buff bufo bufr buoy bur- burb burd buro burr burs buru bury buss busu busy buus buyo buys buyu byob byod byos byrd bysb byso byss bysy byyd d-bo dbfo dbfs dbos dboy dbrs dbss dbus dddd ddry ddss ddub dfds dfrf dobb dobs dobu doby dod- dodd dodo dods dody doff doob dood doof door doos dord dorf doro dorr dors doru dory doso doss dosy doub doud douf dour dous douy doyo drob drod drof drou droy drrs drub drus druu dry- dryf drys dsdr dsos dsrr dub- dubb dubs dubu duby dudd dudo duds dudu duff dufu dufy duo- duos duro duru dury dusy duur duyr dybu dydd dyf- dyo- dyoo dyor dyou dyr- dyrb dyrf dyro dyru dys- dysr dyss dyur dyyr fbrs fbsd fbus fdos fdry ffff ffrr ffss fobs fody fofo food foof foos for- forb ford foro forr fors fosb foso foss foud four fous foys frob fros frou frsb frso frub frys fsfo fssf fubb fubs fubu fudd fuff fufu fuor fur- furo furr furs fury fusd fuso fuss fusu fuyu fyrd fyrs fyry obbo obby obor obos oboy obro obsd obsr obss obus odbo oddd odds oddy odoo odor odos odou odry odso odur odus odyr ofdr off- offo offr offs offu offy ofor ofus ooby ooff oofs oofy oooo ooos oord oory oous orbb orbo orbs orbu orby ordo ords ordu orff orfs orfu oro- orof oror oros oroy orro orrs orry orso orsu orsy orub orus orys osby osoo osor osos osrd osro ossb ossd osso ossu ossy oubs ouds ouff our- ouro ours ousd ouu- ouyr oyou oyss rbbb rbbr rbbs rbds rbsd rbss rdos rdso rfds rob- robb robo robs robu roby rodd rodo rods rody roff rofo roob rood roof roor roos roro roru rory roso ross rosy roub roud rouf rous rouy royd roys rrrr rsdd rsds rsos rubb rubs rubu ruby rudd rudo ruds rudy ruff rufo ruoy rurd ruro rurs ruru ruso russ rusu rusy ruud ruyd ruys rydy ryff ryob rysy ryyf s-os sbbs sbds sbor sbsd sbus sdds sdrs sdry sdsf sdss sdsu sfor sfos sfro sfss sfsu sobo sobr sobs sobu sodd sodo sods sodu sody sofo sood soof soor soos sooy sorb sord soro sorr sors soru sory soso soss soud souf sour sous soyo soys srby sros srsd srub ssbr ssby ssdd ssdf ssrs sssb sssf ssss sub- subb subd subo subs sudd sudo suds suf- suff sufr sufs sufu suor suos sur- surd surf suro surr surs suru sury sus- susd suso suss susu susy suus suyo suyr suyu sybo syds syff syfy syro syrs syry syso syss ubbo ubod ubos ubud udds udoo udos udsd ufos uofo uor- urbs urds urdu urdy urff uro- uroo urry urso urss ursu ursy urur urus usbr usbs