-er b-u bbb bbd bbe bbl bbn bbr bbt bbu bdb bdd bde bdl bdr bdt bdu be- beb bed bee bel ben ber bet beu blb bld ble bll bln blr blt blu bnb bnd bne bnl bnn bnr bnt bnu brb brd bre brl brn brr brt bru btb btd bte btl btn btr btt btu bub bud bue bul bun bur but buu dbb dbd dbe dbl dbn dbr dbt dbu ddb ddd dde ddl ddn ddr ddt ddu de- deb ded dee del den der det deu dl- dlb dld dle dll dlr dlt dlu dnb dnd dne dnl dnn dnr dnt drb drd dre drl drn drr drt dru dtb dtd dte dtl dtn dtr dtt dtu dub dud due dul dun dur dut ebb ebd ebe ebl ebn ebr ebt ebu ed- edb edd ede edl edn edr edt edu eeb eed eee eel een eer eet elb eld ele ell eln elr elt elu en- enb end ene enl enn enr ent enu erb erd ere erl ern err ert eru etb etd ete etl etn etr ett etu eu- eub eud eue eul eun eur eut lbb lbd lbe lbl lbr lbt lbu ldb ldd lde ldl ldn ldr ldt ldu leb led lee lel len ler let leu llb lld lle lll lln llr llt llu lnb lnd lne lnl lnn lnr lnt lnu lrb lrd lrn lrr lrt lru ltb ltd lte ltl ltr ltt ltu lub lud lue lul lun lur lut luu nbb nbd nbe nbl nbn nbr nbt nbu ndb ndd nde ndl ndn ndr ndt ndu ne- neb ned nee nel nen ner net neu nlb nld nle nll nln nlr nlt nlu nnb nne nnl nnn nnt nnu nrb nrd nre nrl nrn nrr nrt nru ntb ntd nte ntn ntr ntt ntu nub nud nue nul nun nur nut nuu rbb rbd rbe rbl rbn rbr rbt rbu rdb rdd rde rdl rdn rdr rdt rdu re- reb red ree rel ren rer ret reu rld rle rll rln rlr rlt rlu rnb rnd rnn rnr rnt rnu rrb rrd rrl rrn rrr rrt rru rtb rtd rte rtl rtn rtr rtt rtu rub rud rue run rur rut ruu tbb tbd tbe tbl tbn tbr tbt tbu tdb tdd tde tdl tdn tdr tdt tdu te- teb ted tee tel ten ter tet teu tld tle tll tln tlr tlt tlu tnb tnd tne tnl tnn tnr tnt trb trd tre trl trn trr trt tru ttb ttd tte ttl ttn ttr ttt ttu tub tud tue tul tun tur tut tuu ubb ube ubl ubn ubr ubt ubu udb udd ude udl udn udr udt udu ueb ued uee uel uen uer uet ulb uld ule ull uln ulr ult ulu un- unb und une unl unn unr unt unu ur- urb urd ure url urn urr urt uru utb utd ute utl utn utr utt utu uue uun uur uut uuu