-er bbb bbd bbe bbm bbn bbo bbr bbt bdb bdd bde bdm bdo bdr bdt be- beb bed bee bem ben beo ber bet bmb bmd bme bmm bmn bmo bmr bmt bnb bnd bne bnn bno bnr bnt bob bod boe bom bon boo bor bot brb brd bre brm brn bro brr brt btb btd bte btm btn bto btr btt dbb dbd dbe dbm dbn dbo dbr dbt ddb ddd dde ddm ddn ddo ddr ddt de- deb ded dee dem den deo der det dmb dmd dme dmm dmn dmo dmr dmt dnb dnd dne dnm dnn dno dnr dnt dob dod doe dom don doo dor dot drb drd dre drm drn dro drr drt dtb dtd dte dtm dtn dto dtr dtt ebb ebd ebe ebm ebn ebo ebr ebt ed- edb edd ede edm edn edo edr edt eeb eed eee eem een eeo eer eet em- emb emd eme emm emn emo emr emt en- enb end ene enm enn eno enr ent eo- eob eod eoe eom eon eoo eor eot erb erd ere erm ern ero err ert etb etd ete etm etn eto etr ett m-o m-r mbb mbd mbe mbm mbo mbr mbt mdb mdd mde mdm mdn mdo mdr mdt meb med mee mem men meo mer met mmb mmd mme mmm mmn mmo mmr mmt mnb mne mnm mnn mno mnr mnt mob mod moe mom mon moo mor mot mrb mrd mre mrm mrn mro mrr mrt mtb mtd mte mtm mtn mto mtr mtt nbb nbd nbe nbm nbn nbo nbr nbt ndb ndd nde ndm ndn ndo ndr ndt ne- neb ned nee nem nen neo ner net nmb nmd nme nmm nmn nmo nmr nmt nnb nne nnm nnn nno nnt no- nob nod noe nom non noo nor not nrb nrd nre nrm nrn nro nrr nrt ntb ntd nte ntm ntn nto ntr ntt ob- obb obd obe obm obn obo obr obt odb odd ode odm odn odo odr odt oeb oed oee oem oen oeo oer oet om- omb omd ome omm omn omo omr omt on- onb ond one onn ono onr ont oo- oob ood oom oon ooo oor oot or- orb ord ore orm orn oro orr ort ot- otb otd ote otm otn oto otr ott rbb rbd rbe rbm rbn rbo rbr rbt rdb rdd rde rdm rdn rdo rdr rdt re- reb red ree rem ren reo rer ret rmb rmd rme rmm rmn rmo rmr rmt rnb rnd rnm rnn rno rnr rnt rob rod roe rom ron roo ror rot rrb rrd rrm rrn rrr rrt rtb rtd rte rtm rtn rto rtr rtt tbb tbd tbe tbm tbn tbo tbr tbt tdb tdd tde tdm tdn tdo tdr tdt te- teb ted tee tem ten teo ter tet tmb tmd tme tmm tmn tmo tmr tmt tnb tnd tne tnm tnn tno tnr tnt to- tob tod toe tom ton too tor tot trb trd tre trm trn tro trr trt ttb ttd tte ttm ttn tto ttr ttt