b-u bbb bbd bbf bbm bbn bbo bbs bbu bdb bdd bdf bdm bdo bds bdu bfb bfd bff bfm bfn bfo bfs bfu bmb bmd bmf bmm bmn bmo bms bmu bnb bnd bnf bnn bno bns bnu bob bod bof bom bon boo bos bou bsb bsd bsf bsm bsn bso bss bsu bub bud buf bum bun buo bus buu dbb dbd dbf dbm dbn dbo dbs dbu ddb ddd ddf ddm ddn ddo dds ddu dfb dfd dff dfm dfn dfo dfs dfu dmb dmd dmf dmm dmn dmo dms dmu dnb dnd dnf dnm dnn dno dns dob dod dof dom don doo dos dou dsb dsd dsf dsm dsn dso dss dsu dub dud duf dum dun duo dus fbb fbd fbf fbm fbn fbo fbs fbu fdb fdd fdf fdm fdn fdo fds fdu ffd fff ffm ffn ffo ffs ffu fmb fmd fmf fmm fmn fmo fms fmu fnb fnd fnf fnm fnn fns fnu fob fof fom fon foo fos fou fsb fsd fsf fsm fsn fso fss fsu fub fud fuf fum fun fuo fus fuu m-f m-o mbb mbd mbf mbm mbo mbs mbu mdb mdd mdf mdm mdn mdo mds mdu mfb mfd mff mfm mfn mfo mfs mfu mmb mmd mmf mmm mmn mmo mms mmu mnb mnf mnm mnn mno mns mnu mob mod mof mom mon moo mos mou msb msd msf msm msn mso mss msu mub mud muf mum mun mus muu nbb nbd nbf nbm nbn nbo nbs nbu ndb ndd ndf ndm ndn ndo nds ndu nfb nfd nff nfn nfo nfs nfu nmb nmd nmm nmn nmo nms nmu nnb nnf nnm nnn nno nns nnu no- nob nod nof nom non noo nos nou nsb nsd nsf nsm nsn nso nss nsu nub nud num nun nuo nus nuu ob- obb obd obf obm obn obo obs obu odb odd odf odm odn odo ods odu of- ofb ofd off ofm ofn ofo ofs ofu om- omb omd omf omm omn omo oms omu on- onb ond onf onn ono ons onu oo- oob ood oof oom oon ooo oos os- osb osd osf osm osn oso oss osu ou- oud ouf oum oun ouo ous sbb sbd sbf sbm sbn sbo sbs sbu sdb sdd sdf sdm sdn sdo sds sdu sfb sfd sff sfm sfn sfo sfs sfu smb smd smf smm smn smo sms smu snb snd snf snm snn sno sns snu sob sod sof som son soo sos sou ss- ssb ssd ssf ssm ssn sso sss ssu sub sud suf sum sun suo sus suu ubb ubf ubn ubo ubs ubu udb udd udf udm udn udo uds udu ufd uff ufm ufn ufo ufs ufu um- umb umd umf umm umn umo ums umu un- unb und unf unm unn uno uns unu uob uod uom uon uoo uos usb usd usf usm usn uso uss usu uum uun uus uuu

-ous bbbb bbbs bbdd bbdo bbfn bdos bdsd bdsm bduf bffs bmdb bmus bnss bobb bobo bobs bobu bodb bodo bods bodu bofd boff bofs bofu bomb boms bomu bond bonn bono bons bonu boob bood boof boom boon boos bosm bosn boso boss bosu boud bouf boum boun bous bsbd bsff bsfs bsms bsnd bsns bsod bson bsos bssd bssm bubb bubo bubs bubu budb budd budo buds budu buff bufo bum- bumb bumf bums bunb bund bunn buno buns bunu buon buss busu buus d-bo dbfo dbfs dbms dbos dbss dbus dddd ddss ddub dfds dfsm dmbf dmds dmso dmss dmus dnus dobb dobs dobu dod- dodd dodo dods doff domb domm domn domo doms dond donn dono dons doob dood doof doom doon doos doso doss doub doud douf doum doun dous dsdm dsmb dsms dsos dssn dub- dubb dubs dubu dudd dudo duds dudu duff dufu dumb dumm dums dunn duno duns duo- duon duos fbom fbsd fbus fdnm fdom fdos ffff ffss ffun fmno fmod fmss fndd fndn fnuf fobs fofo fomo fond fono fons food foof foom foon foos fosb foso foss foud foun fous fsfo fssf fubb fubs fubu fudd fuff fufu fumo fums fund funf funs fusd fuso fuss fusu mbbs mbdb mbms mbou mbsf mbus mdbf mddm mdds mdmf mdos mdsd mdud mfbm mfds mfou mfsb mmdb mmdf mmds mmfd mmff mmmd mmmm mmms mmod mmsd mmsu mmun mmus mnbb mndo mnos mobb mobo mobs modd modo mods modu moff mofo mofu momo moms momu mon- mond monn mono mons monu moob mood moon moos moso moss mosu moud mouf moun mous msdn msff msfs msmb msmm msms msmu mson mssf mssm msud msun msus mubo mubs mudd muds mudu muff mufu mumm mumo mums mumu mund munn muno muns munu muon muos musd muso muss musu nbbo nbuf ndbm nddb nddo ndom ndos ndsf ndss nfff nfon nfsm nfsu nmds nmff nmfs nmon nmos nndb nnnn nnos nnss nobm nobo nobs nobu nodo nods nodu nom- nomo noms nomu non- nonn nono nons nonu noo- noob noon nooo noos nos- nosm noss nosu noun nous nsbm nsbo nsdf nsds nsfs nsmb nsof nsos nsou nssb nssf nsso nsss nsub nubs nudd nudo nuff numb numm nums numu nunn nuno nuns nuon nuss nusu obbo obon obos obsd obsn obss obus odbo oddd odds odnb odom odon odoo odos odou odso odum odus off- offo offs offu ofno ofus ombo ombu omdb omn- omo- omon omoo omsn omuo omus ondo onno onod onon onos onso onus ooff oofs ooms oons oooo ooos oous osm- osmo osno osoo osos ossb ossd osso ossu osum osun oubs ouds ouff oun- ound ousd ouu- s-os sbbs sbds sbsd sbus sdds sdmo sdms sdsf sdsm sdss sdsu sfmm sfnb sfos sfss sfsu smbf smod smof smon smos smsd smsn smss smus snfu snns snob snod snom snoo snos snsd snub snum snus sobo sobs sobu sodd sodo sods sodu sofo somb somm somn somo son- sond