-er -th b-u bbb bbd bbe bbh bbn bbr bbt bbu bdb bdd bde bdh bdr bdt bdu be- beb bed bee beh ben ber bet beu bhb bhd bhe bhh bhr bht bhu bnb bnd bne bnn bnr bnt bnu brb brd bre brh brn brr brt bru btb btd bte bth btn btr btt btu bub bud bue buh bun bur but buu dbb dbd dbe dbh dbn dbr dbt dbu ddb ddd dde ddh ddn ddr ddt ddu de- deb ded dee deh den der det deu dh- dhb dhd dhe dhh dhr dht dhu dnb dnd dne dnh dnn dnr dnt drb drd dre drn drr drt dru dtb dtd dte dth dtn dtr dtt dtu dub dud due duh dun dur dut ebb ebd ebe ebh ebn ebr ebt ebu ed- edb edd ede edh edn edr edt edu eeb eed eee een eer eet ehb ehd ehe ehh ehn ehr eht ehu en- enb end ene enh enn enr ent enu erb erd ere erh ern err ert eru etb etd ete eth etn etr ett etu eu- eub eud eue eun eur eut hbb hbd hbe hbh hbn hbr hbt hbu hdb hdd hde hdh hdn hdr hdt hdu he- heb hed hee heh hen her het heu hhb hhd hhe hhh hhn hhr hht hhu hnb hnd hne hnh hnn hnt hnu hr- hrb hrd hre hrh hrn hrr hrt hru htb htd hte hth htn htr htt hub hud hue huh hun hur hut huu nbb nbd nbe nbn nbr nbt nbu ndb ndd nde ndh ndn ndr ndt ndu ne- neb ned nee neh nen ner net neu nhb nhd nhe nhh nhn nhr nht nhu nnb nne nnh nnn nnt nnu nrb nrd nre nrn nrr nrt nru ntb ntd nte nth ntn ntr ntt ntu nub nud nue nuh nun nur nut nuu rbb rbd rbe rbh rbn rbr rbt rbu rdb rdd rde rdh rdn rdr rdt rdu re- reb red ree reh ren rer ret reu rh- rhb rhd rhe rhh rhn rhr rht rhu rnb rnd rnh rnn rnr rnt rnu rrb rrd rrh rrn rrr rrt rru rtb rtd rte rtn rtr rtt rtu rub rud rue ruh run rur rut ruu tbb tbd tbe tbh tbn tbr tbt tbu tdb tdd tde tdh tdn tdr tdt tdu te- teb ted tee teh ten ter tet teu th- thb thd the thh thn thr tht thu tnb tnd tne tnh tnn tnr tnt trb trd tre trh trn trr trt tru ttb ttd tte tth ttn ttr ttt ttu tub tud tue tuh tun tur tut tuu ubb ube ubh ubn ubr ubt ubu udb udd ude udn udr udt udu ueb ued uee ueh uen uer uet uhb uhd uhe uhh uhr uht uhu un- unb und une unh unn unr unt unu ur- urb urd ure urn urr urt uru utb utd ute uth utn utr utt utu uue uun uur uut uuu