-er b-u bbb bbd bbe bbh bbn bbr bbu bdb bdd bde bdh bdr bdu be- beb bed bee beh ben ber beu bhb bhd bhe bhh bhr bhu bnb bnd bne bnn bnr bnu brb brd bre brh brn brr bru bub bud bue buh bun bur buu dbb dbd dbe dbh dbn dbr dbu ddb ddd dde ddh ddn ddr ddu de- deb ded dee deh den der deu dh- dhb dhd dhe dhh dhr dhu dnb dnd dne dnh dnn dnr drb drd dre drn drr dru dub dud due duh dun dur ebb ebd ebe ebh ebn ebr ebu ed- edb edd ede edh edn edr edu eeb eed eee een eer ehb ehd ehe ehh ehn ehr ehu en- enb end ene enh enn enr enu erb erd ere erh ern err eru eu- eub eud eue eun eur hbb hbd hbe hbh hbn hbr hbu hdb hdd hde hdh hdn hdr hdu he- heb hed hee heh hen her heu hhb hhd hhe hhh hhn hhr hhu hnb hnd hne hnh hnn hnu hr- hrb hrd hre hrh hrn hrr hru hub hud hue huh hun hur huu nbb nbd nbe nbn nbr nbu ndb ndd nde ndh ndn ndr ndu ne- neb ned nee neh nen ner neu nhb nhd nhe nhh nhn nhr nhu nnb nne nnh nnn nnu nrb nrd nre nrn nrr nru nub nud nue nuh nun nur nuu rbb rbd rbe rbh rbn rbr rbu rdb rdd rde rdh rdn rdr rdu re- reb red ree reh ren rer reu rh- rhb rhd rhe rhh rhn rhr rhu rnb rnd rnh rnn rnr rnu rrb rrd rrh rrn rrr rru rub rud rue ruh run rur ruu ubb ube ubh ubn ubr ubu udb udd ude udn udr udu ueb ued uee ueh uen uer uhb uhd uhe uhh uhr uhu un- unb und une unh unn unr unu ur- urb urd ure urn urr uru uue uun uur uuu