-th bbb bbd bbh bbi bbr bbs bbt bdb bdd bdh bdi bdr bds bdt bhb bhd bhh bhi bhr bhs bht bi- bib bid bih bii bir bis bit brb brd brh bri brr brs brt bsb bsd bsh bsi bsr bss bst btb btd bth bti btr bts btt dbb dbd dbh dbi dbr dbs dbt ddb ddd ddh ddi ddr dds ddt dh- dhb dhd dhh dhi dhr dhs dht di- dib did dih dii dir dis dit drb drd dri drr drs drt dsb dsd dsh dsi dsr dss dst dtb dtd dth dti dtr dts dtt h-i hbb hbd hbh hbi hbr hbs hbt hdb hdd hdh hdi hdr hds hdt hhb hhd hhh hhi hhr hhs hht hib hid hih hii hir his hit hr- hrb hrd hrh hri hrr hrs hrt hsb hsd hsh hsi hsr hss hst htb htd hth hti htr hts htt i-d ibb ibd ibh ibi ibr ibs ibt idb idd idh idi idr ids idt ihb ihd ihh ihi ihr ihs iht iib iid iih iii iir iis iit ir- irb ird iri irr irs irt is- isb isd ish isi isr iss ist itb itd ith iti its itt rbb rbd rbh rbi rbr rbs rbt rdb rdd rdh rdi rdr rds rdt rh- rhb rhd rhh rhi rhr rhs rht rib rid rih rii rir ris rit rrb rrd rrh rri rrr rrs rrt rsb rsd rsh rsi rsr rss rst rtb rtd rti rtr rts rtt sbb sbd sbh sbi sbr sbs sbt sdb sdd sdh sdi sdr sds sdt sh- shb shd shh shi shr shs sht sib sid sih sii sir sis sit sr- srb srd srh sri srr srs srt ss- ssb ssd ssh ssi ssr sss sst stb std sth sti str sts stt tbb tbd tbh tbi tbr tbs tbt tdb tdd tdh tdi tdr tds tdt th- thb thd thh thi thr ths tht tib tid tih tii tir tis tit trb trd trh tri trr trs trt tsb tsd tsh tsi tsr tss tst ttb ttd tth tti ttr tts ttt