b-u bbb bbd bbe bbh bbk bbn bbs bbu bdb bdd bde bdh bdk bds bdu be- beb bed bee beh bek ben bes beu bhb bhd bhe bhh bhk bhs bhu bkb bke bkk bkn bks bnb bnd bne bnk bnn bns bnu bsb bsd bse bsh bsk bsn bss bsu bub bud bue buh buk bun bus buu dbb dbd dbe dbh dbk dbn dbs dbu ddb ddd dde ddh ddk ddn dds ddu de- deb ded dee deh dek den des deu dh- dhb dhd dhe dhh dhk dhs dhu dkb dke dkk dks dku dnb dnd dne dnh dnk dnn dns dsb dsd dse dsh dsk dsn dss dsu dub dud due duh duk dun dus ebb ebd ebe ebh ebk ebn ebs ebu ed- edb edd ede edh edk edn eds edu eeb eed eee eek een ees ehb ehd ehe ehh ehn ehs ehu ekb ekd eke ekh eks eku en- enb end ene enh enk enn ens enu es- esb esd ese esh esk esn ess esu eu- eub eud eue eun eus hbb hbd hbe hbh hbk hbn hbs hbu hdb hdd hde hdh hdk hdn hds hdu he- heb hed hee heh hek hen hes heu hhb hhd hhe hhh hhk hhn hhs hhu hkb hkd hkh hkk hkn hks hku hnb hnd hne hnh hnk hnn hns hnu hsb hsd hse hsh hsk hsn hss hsu hub hud hue huh huk hun hus huu kbb kbd kbe kbh kbk kbn kbs kbu kdb kde kdh kdk kds kdu ke- keb ked kee keh kek ken kes khe khh khk khn khs khu kkb kke kkh kkk kkn kks kku kn- knd kne knk knn knu ksb ksd kse ksh ksk ksn kss ksu kub kud kue kuh kuk kun kus kuu nbb nbd nbe nbk nbn nbs nbu ndb ndd nde ndh ndk ndn nds ndu ne- neb ned nee neh nek nen nes neu nhb nhd nhe nhh nhk nhn nhs nhu nke nkk nkn nks nku nnb nne nnh nnk nnn nns nnu nsb nsd nse nsh nsk nsn nss nsu nub nud nue nuh nuk nun nus nuu sbb sbd sbe sbh sbk sbn sbs sbu sdb sdd sde sdh sdk sdn sds sdu se- seb sed see seh sek sen ses seu sh- shb shd she shh shk shn shs shu sk- skb skd ske skh skk sks sku snb snd sne snk snn sns snu ss- ssb ssd sse ssh ssk ssn sss ssu sub sud sue suh suk sun sus suu ubb ube ubh ubk ubn ubs ubu udb udd ude udk udn uds udu ueb ued uee ueh uen ues uhb uhd uhe uhh uhs uhu ukb uke ukk ukn uku un- unb und une unh unk unn uns unu usb usd use ush usk usn uss usu uue uun uus uuu