-er b-u bbb bbd bbe bbh bbk bbn bbr bbu bdb bdd bde bdh bdk bdr bdu be- beb bed bee beh bek ben ber beu bhb bhd bhe bhh bhk bhr bhu bkb bke bkk bkn bkr bnb bnd bne bnk bnn bnr bnu brb brd bre brh brk brn brr bru bub bud bue buh buk bun bur buu dbb dbd dbe dbh dbk dbn dbr dbu ddb ddd dde ddh ddk ddn ddr ddu de- deb ded dee deh dek den der deu dh- dhb dhd dhe dhh dhk dhr dhu dkb dke dkk dkr dku dnb dnd dne dnh dnk dnn dnr drb drd dre drk drn drr dru dub dud due duh duk dun dur ebb ebd ebe ebh ebk ebn ebr ebu ed- edb edd ede edh edk edn edr edu eeb eed eee eek een eer ehb ehd ehe ehh ehn ehr ehu ekb ekd eke ekh ekr eku en- enb end ene enh enk enn enr enu erb erd ere erh erk ern err eru eu- eub eud eue eun eur hbb hbd hbe hbh hbk hbn hbr hbu hdb hdd hde hdh hdk hdn hdr hdu he- heb hed hee heh hek hen her heu hhb hhd hhe hhh hhk hhn hhr hhu hkb hkd hkh hkk hkn hkr hku hnb hnd hne hnh hnk hnn hnu hr- hrb hrd hre hrh hrk hrn hrr hru hub hud hue huh huk hun hur huu kbb kbd kbe kbh kbk kbn kbr kbu kdb kde kdh kdk kdr kdu ke- keb ked kee keh kek ken ker khe khh khk khn khr khu kkb kke kkh kkk kkn kkr kku kn- knd kne knk knn knr knu krd krk krn krr kru kub kud kue kuh kuk kun kur kuu nbb nbd nbe nbk nbn nbr nbu ndb ndd nde ndh ndk ndn ndr ndu ne- neb ned nee neh nek nen ner neu nhb nhd nhe nhh nhk nhn nhr nhu nke nkk nkn nkr nku nnb nne nnh nnk nnn nnu nrb nrd nre nrk nrn nrr nru nub nud nue nuh nuk nun nur nuu rbb rbd rbe rbh rbk rbn rbr rbu rdb rdd rde rdh rdn rdr rdu re- reb red ree reh rek ren rer reu rh- rhb rhd rhe rhh rhn rhr rhu rkb rke rkk rku rnb rnd rnh rnn rnr rnu rrb rrd rrh rrk rrn rrr rru rub rud rue ruh ruk run rur ruu ubb ube ubh ubk ubn ubr ubu udb udd ude udk udn udr udu ueb ued uee ueh uen uer uhb uhd uhe uhh uhr uhu ukb uke ukk ukn ukr uku un- unb und une unh unk unn unr unu ur- urb urd ure urk urn urr uru uue uun uur uuu