-er b-u bbb bbd bbe bbm bbn bbo bbr bbt bbu bdb bdd bde bdm bdo bdr bdt bdu be- beb bed bee bem ben beo ber bet beu bmb bmd bme bmm bmn bmo bmr bmt bmu bnb bnd bne bnn bno bnr bnt bnu bob bod boe bom bon boo bor bot bou brb brd bre brm brn bro brr brt bru btb btd bte btm btn bto btr btt btu bub bud bue bum bun buo bur but buu dbb dbd dbe dbm dbn dbo dbr dbt dbu ddb ddd dde ddm ddn ddo ddr ddt ddu de- deb ded dee dem den deo der det deu dmb dmd dme dmm dmn dmo dmr dmt dmu dnb dnd dne dnm dnn dno dnr dnt dob dod doe dom don doo dor dot dou drb drd dre drm drn dro drr drt dru dtb dtd dte dtm dtn dto dtr dtt dtu dub dud due dum dun duo dur dut ebb ebd ebe ebm ebn ebo ebr ebt ebu ed- edb edd ede edm edn edo edr edt edu eeb eed eee eem een eeo eer eet em- emb emd eme emm emn emo emr emt emu en- enb end ene enm enn eno enr ent enu eo- eob eod eoe eom eon eoo eor eot eou erb erd ere erm ern ero err ert eru etb etd ete etm etn eto etr ett etu eu- eub eud eue eun eur eut m-o m-r mbb mbd mbe mbm mbo mbr mbt mbu mdb mdd mde mdm mdn mdo mdr mdt mdu meb med mee mem men meo mer met meu mmb mmd mme mmm mmn mmo mmr mmt mmu mnb mne mnm mnn mno mnr mnt mnu mob mod moe mom mon moo mor mot mou mrb mrd mre mrm mrn mro mrr mrt mru mtb mtd mte mtm mtn mto mtr mtt mtu mub mud mue mum mun mur mut muu nbb nbd nbe nbm nbn nbo nbr nbt nbu ndb ndd nde ndm ndn ndo ndr ndt ndu ne- neb ned nee nem nen neo ner net neu nmb nmd nme nmm nmn nmo nmr nmt nmu nnb nne nnm nnn nno nnt nnu no- nob nod noe nom non noo nor not nou nrb nrd nre nrm nrn nro nrr nrt nru ntb ntd nte ntm ntn nto ntr ntt ntu nub nud nue num nun nuo nur nut nuu ob- obb obd obe obm obn obo obr obt obu odb odd ode odm odn odo odr odt odu oeb oed oee oem oen oeo oer oet om- omb omd ome omm omn omo omr omt omu on- onb ond one onn ono onr ont onu oo- oob ood oom oon ooo oor oot or- orb ord ore orm orn oro orr ort oru ot- otb otd ote otm otn oto otr ott otu ou- oud oue oum oun ouo our out rbb rbd rbe rbm rbn rbo rbr rbt rbu rdb rdd rde rdm rdn rdo rdr rdt rdu re- reb red ree rem ren reo rer ret reu rmb rmd rme rmm rmn rmo rmr rmt rnb rnd rnm rnn rno rnr rnt rnu rob rod roe rom ron roo ror rot rou rrb rrd rrm rrn rrr rrt rru rtb rtd rte rtm rtn rto rtr rtt rtu rub rud rue rum run ruo rur rut ruu tbb tbd tbe tbm tbn tbo tbr tbt tbu tdb tdd tde tdm tdn tdo tdr tdt tdu te- teb ted tee tem ten teo ter tet teu tmb tmd tme tmm tmn tmo tmr tmt tmu tnb tnd tne tnm tnn tno tnr tnt to- tob tod toe tom ton too tor tot tou trb trd tre trm trn tro trr trt tru ttb ttd tte ttm ttn tto ttr ttt ttu tub tud tue tum tun tuo tur tut tuu ubb ube ubn ubo ubr ubt ubu udb udd ude udm udn udo udr udt udu ueb ued uee uem uen uer uet um- umb umd ume umm umn umo umr umt umu un- unb und une unm unn uno unr unt unu uob uod uoe uom uon uoo uor uot ur- urb urd ure urm urn uro urr urt uru utb utd ute utm utn uto utr utt utu uue uum uun uur uut uuu