-er bbb bbd bbe bbg bbi bbm bbo bbr bbs bdb bdd bde bdg bdi bdm bdo bdr bds be- beb bed bee beg bei bem beo ber bes bgb bgd bge bgg bgi bgm bgo bgr bgs bi- bib bid bie big bii bim bio bir bis bmb bmd bme bmg bmi bmm bmo bmr bms bob bod boe bog boi bom boo bor bos brb brd bre brg bri brm bro brr brs bsb bsd bse bsg bsi bsm bso bsr bss dbb dbd dbe dbg dbi dbm dbo dbr dbs ddb ddd dde ddg ddi ddm ddo ddr dds de- deb ded dee deg dei dem deo der des dgd dge dgg dgi dgm dgr dgs di- dib did die dig dii dim dio dir dis dmb dmd dme dmg dmi dmm dmo dmr dms dob dod doe dog doi dom doo dor dos drb drd dre drg dri drm dro drr drs dsb dsd dse dsg dsi dsm dso dsr dss ebb ebd ebe ebg ebi ebm ebo ebr ebs ed- edb edd ede edg edi edm edo edr eds eeb eed eee eeg eem eeo eer ees egb egd ege egg egi egm ego egr egs eib eid eie eig eii eim eio eir eis em- emb emd eme emg emi emm emo emr ems eo- eob eod eoe eog eoi eom eoo eor eos erb erd ere erg eri erm ero err ers es- esb esd ese esg esi esm eso esr ess g-d gbd gbe gbg gbi gbm gbo gbr gbs gdb gdd gde gdi gdm gdo gdr gds ge- geb ged gee geg gei gem geo ger ges ggb ggd ggg ggi ggm ggo ggr ggs gib gid gie gig gii gim gio gir gis gmb gmd gme gmg gmi gmm gmo gmr gms gob god goe gog goi gom goo gor gos grb grd gre grg gri grm gro grr grs gsb gsd gse gsg gsi gsm gso gsr gss i-d ibb ibd ibe ibg ibi ibm ibo ibr ibs idb idd ide idg idi idm ido idr ids ie- ied iee ieg iei iem ier ies igb igd ige igg igi igm igo igr igs iib iid iie iii iim iio iir iis im- imb imd ime img imi imm imo ims io- iob iod ioe iog ioi iom ioo ior ios ir- irb ird ire irg iri irm iro irr irs is- isb isd ise isg isi ism iso isr iss m-o m-r mbb mbd mbe mbg mbi mbm mbo mbr mbs mdb mdd mde mdg mdi mdm mdo mdr mds meb med mee meg mei mem meo mer mes mgb mgd mge mgi mgm mgo mgr mgs mi- mib mid mie mig mii mim mio mir mis mmb mmd mme mmg mmi mmm mmo mmr mms mob mod moe mog moi mom moo mor mos mrb mrd mre mrg mri mrm mro mrr mrs msb msd mse msg msi msm mso msr mss o-i ob- obb obd obe obg obi obm obo obr obs odb odd ode odg odi odm odo odr ods oeb oed oee oeg oei oem oeo oer oes ogd oge ogg ogi ogo ogs oib oid oie oii oim oio oir ois om- omb omd ome omg omi omm omo omr oms oo- oob ood oog ooi oom ooo oor oos or- orb ord ore org ori orm oro orr ors os- osb osd ose osg osi osm oso osr oss rbb rbd rbe rbg rbi rbm rbo rbr rbs rdb rdd rde rdg rdi rdm rdo rdr rds re- reb red ree reg rei rem reo rer res rgb rgd rge rgg rgi rgo rgr rgs rib rid rie rig rii rim rio rir ris rmb rmd rme rmg rmi rmm rmo rmr rms rob rod roe rog roi rom roo ror ros rrb rrd rrg rri rrm rrr rrs rsb rsd rse rsg rsi rsm rso rsr rss sbb sbd sbe sbg sbi sbm sbo sbr sbs sdb sdd sde sdg sdi sdm sdo sdr sds se- seb sed see seg sei sem seo ser ses sgb sgd sge sgg sgi sgm sgo sgr sgs sib sid sie sig sii sim sio sir sis smb smd sme smg smi smm smo smr sms sob sod soe sog soi som soo sor sos sr- srb srd sre srg sri srm sro srr srs ss- ssb ssd sse ssg ssi ssm sso ssr sss