b-u bbb bbd bbm bbn bbo bbu bby bdb bdd bdm bdo bdu bdy bmb bmd bmm bmn bmo bmu bnb bnd bnn bno bnu bob bod bom bon boo bou boy bub bud bum bun buo buu buy by- byd bym byn byo byu dbb dbd dbm dbn dbo dbu dby ddb ddd ddm ddn ddo ddu ddy dmb dmd dmm dmn dmo dmu dnb dnd dnm dnn dno dny dob dod dom don doo dou doy dub dud dum dun duo duy dy- dyb dyd dym dyn dyo dyu dyy m-o mbb mbd mbm mbo mbu mdb mdd mdm mdn mdo mdu mdy mmb mmd mmm mmn mmo mmu mnb mnm mnn mno mnu mob mod mom mon moo mou moy mub mud mum mun muu muy my- myb myd mym myn myo myu nbb nbd nbm nbn nbo nbu ndb ndd ndm ndn ndo ndu ndy nmb nmd nmm nmn nmo nmu nnb nnm nnn nno nnu no- nob nod nom non noo nou noy nub nud num nun nuo nuu nuy nyd nym nyn nyo nyu nyy ob- obb obd obm obn obo obu oby odb odd odm odn odo odu om- omb omd omm omn omo omu omy on- onb ond onn ono onu ony oo- oob ood oom oon ooo ou- oud oum oun ouo oyd oyo ubb ubn ubo ubu uby udb udd udm udn udo udu um- umb umd umm umn umo umu un- unb und unm unn uno unu uny uob uod uom uon uoo uum uun uuu uyo uyu ybm yby ydn ydo ydy ymm ymo ynd ynn ynu yny yob yod yom yon yoo you yoy yud yum yun yuo yuu yuy yyb yyu yyy