-er -th bbb bbd bbe bbh bbi bbr bbs bbt bdb bdd bde bdh bdi bdr bds bdt be- beb bed bee beh bei ber bes bet bhb bhd bhe bhh bhi bhr bhs bht bi- bib bid bie bih bii bir bis bit brb brd bre brh bri brr brs brt bsb bsd bse bsh bsi bsr bss bst btb btd bte bth bti btr bts btt dbb dbd dbe dbh dbi dbr dbs dbt ddb ddd dde ddh ddi ddr dds ddt de- deb ded dee deh dei der des det dh- dhb dhd dhe dhh dhi dhr dhs dht di- dib did die dih dii dir dis dit drb drd dre dri drr drs drt dsb dsd dse dsh dsi dsr dss dst dtb dtd dte dth dti dtr dts dtt ebb ebd ebe ebh ebi ebr ebs ebt ed- edb edd ede edh edi edr eds edt eeb eed eee eer ees eet ehb ehd ehe ehh ehi ehr ehs eht eib eid eie eii eir eis eit erb erd ere erh eri err ers ert es- esb esd ese esh esi esr ess est etb etd ete eth eti etr ets ett h-i hbb hbd hbe hbh hbi hbr hbs hbt hdb hdd hde hdh hdi hdr hds hdt he- heb hed hee heh hei her hes het hhb hhd hhe hhh hhi hhr hhs hht hib hid hie hih hii hir his hit hr- hrb hrd hre hrh hri hrr hrs hrt hsb hsd hse hsh hsi hsr hss hst htb htd hte hth hti htr hts htt i-d ibb ibd ibe ibh ibi ibr ibs ibt idb idd ide idh idi idr ids idt ie- ied iee iei ier ies iet ihb ihd ihe ihh ihi ihr ihs iht iib iid iie iih iii iir iis iit ir- irb ird ire iri irr irs irt is- isb isd ise ish isi isr iss ist itb itd ite ith iti its itt rbb rbd rbe rbh rbi rbr rbs rbt rdb rdd rde rdh rdi rdr rds rdt re- reb red ree reh rei rer res ret rh- rhb rhd rhe rhh rhi rhr rhs rht rib rid rie rih rii rir ris rit rrb rrd rrh rri rrr rrs rrt rsb rsd rse rsh rsi rsr rss rst rtb rtd rte rti rtr rts rtt sbb sbd sbe sbh sbi sbr sbs sbt sdb sdd sde sdh sdi sdr sds sdt se- seb sed see seh sei ser ses set sh- shb shd she shh shi shr shs sht sib sid sie sih sii sir sis sit sr- srb srd sre srh sri srr srs srt ss- ssb ssd sse ssh ssi ssr sss sst stb std ste sth sti str sts stt tbb tbd tbe tbh tbi tbr tbs tbt tdb tdd tde tdh tdi tdr tds tdt te- teb ted tee teh tei ter tes tet th- thb thd the thh thi thr ths tht tib tid tie tih tii tir tis tit trb trd tre trh tri trr trs trt tsb tsd tse tsh tsi tsr tss tst ttb ttd tte tth tti ttr tts ttt