-er bbb bbd bbe bbh bbi bbo bbr bbs bdb bdd bde bdh bdi bdo bdr bds be- beb bed bee beh bei beo ber bes bhb bhd bhe bhh bhi bho bhr bhs bi- bib bid bie bih bii bio bir bis bob bod boe boh boi boo bor bos brb brd bre brh bri bro brr brs bsb bsd bse bsh bsi bso bsr bss dbb dbd dbe dbh dbi dbo dbr dbs ddb ddd dde ddh ddi ddo ddr dds de- deb ded dee deh dei deo der des dh- dhb dhd dhe dhh dhi dho dhr dhs di- dib did die dih dii dio dir dis dob dod doe doh doi doo dor dos drb drd dre dri dro drr drs dsb dsd dse dsh dsi dso dsr dss ebb ebd ebe ebh ebi ebo ebr ebs ed- edb edd ede edh edi edo edr eds eeb eed eee eeo eer ees ehb ehd ehe ehh ehi eho ehr ehs eib eid eie eii eio eir eis eo- eob eod eoe eoh eoi eoo eor eos erb erd ere erh eri ero err ers es- esb esd ese esh esi eso esr ess h-i hbb hbd hbe hbh hbi hbo hbr hbs hdb hdd hde hdh hdi hdo hdr hds he- heb hed hee heh hei heo her hes hhb hhd hhe hhh hhi hho hhr hhs hib hid hie hih hii hio hir his hob hod hoe hoh hoi hoo hor hos hr- hrb hrd hre hrh hri hro hrr hrs hsb hsd hse hsh hsi hsr hss i-d ibb ibd ibe ibh ibi ibo ibr ibs idb idd ide idh idi ido idr ids ie- ied iee iei ier ies ihb ihd ihe ihh ihi iho ihr ihs iib iid iie iih iii iio iir iis io- iob iod ioe ioh ioi ioo ior ios ir- irb ird ire iri iro irr irs is- isb isd ise ish isi iso isr iss o-i ob- obb obd obe obh obi obo obr obs odb odd ode odh odi odo odr ods oeb oed oee oeh oei oeo oer oes ohd ohe ohh ohi oho ohr ohs oib oid oie oii oio oir ois oo- oob ood ooh ooi ooo oor oos or- orb ord ore orh ori oro orr ors os- osb osd ose osh osi oso osr oss rbb rbd rbe rbh rbi rbo rbr rbs rdb rdd rde rdh rdi rdo rdr rds re- reb red ree reh rei reo rer res rh- rhb rhd rhe rhh rhi rho rhr rhs rib rid rie rih rii rio rir ris rob rod roe roh roi roo ror ros rrb rrd rrh rri rrr rrs rsb rsd rse rsh rsi rso rsr rss sbb sbd sbe sbh sbi sbo sbr sbs sdb sdd sde sdh sdi sdo sdr sds se- seb sed see seh sei seo ser ses sh- shb shd she shh shi sho shr shs sib sid sie sih sii sio sir sis sob sod soe soh soi soo sor sos sr- srb srd sre srh sri sro srr srs ss- ssb ssd sse ssh ssi sso ssr sss