b-u bbb bbd bbh bbm bbn bbu bby bdb bdd bdh bdm bdu bdy bhb bhd bhh bhm bhu bmb bmd bmh bmm bmn bmu bnb bnd bnn bnu bub bud buh bum bun buu buy by- byd byh bym byn byu dbb dbd dbh dbm dbn dbu dby ddb ddd ddh ddm ddn ddu ddy dh- dhb dhd dhh dhm dhu dmb dmd dmh dmm dmn dmu dnb dnd dnh dnm dnn dny dub dud duh dum dun duy dy- dyb dyd dym dyn dyu dyy hbb hbd hbh hbm hbn hbu hby hdb hdd hdh hdm hdn hdu hdy hhb hhd hhh hhm hhn hhu hhy hmb hmd hmh hmm hmu hmy hnb hnd hnh hnn hnu hny hub hud huh hum hun huu huy hy- hyb hyd hyh hym hyn hyy mbb mbd mbh mbm mbu mdb mdd mdh mdm mdn mdu mdy mhd mhh mhm mhn mhu mmb mmd mmh mmm mmn mmu mnb mnm mnn mnu mub mud muh mum mun muu muy my- myb myd myh mym myn myu nbb nbd nbm nbn nbu ndb ndd ndh ndm ndn ndu ndy nhb nhd nhh nhm nhn nhu nhy nmb nmd nmh nmm nmn nmu nnb nnh nnm nnn nnu nub nud nuh num nun nuu nuy nyd nym nyn nyu nyy ubb ubh ubn ubu uby udb udd udm udn udu uhb uhd uhh uhm uhu uhy um- umb umd umh umm umn umu un- unb und unh unm unn unu uny uum uun uuu uyu ybm yby ydn ydy yhu ymm ynd ynn ynu yny yud yuh yum yun yuu yuy yyb yyu yyy