-th bbb bbh bbi bbr bbs bbt bbw bhb bhh bhi bhr bhs bht bhw bi- bib bih bii bir bis bit biw brb brh bri brr brs brt brw bsb bsh bsi bsr bss bst bsw btb bth bti btr bts btt btw bwb bwh bwi bwr bws h-i hbb hbh hbi hbr hbs hbt hbw hhb hhh hhi hhr hhs hht hhw hib hih hii hir his hit hiw hr- hrb hrh hri hrr hrs hrt hrw hsb hsh hsi hsr hss hst hsw htb hth hti htr hts htt htw hw- hwb hwi hwr hws hwt hww ibb ibh ibi ibr ibs ibt ibw ihb ihh ihi ihr ihs iht iib iih iii iir iis iit iiw ir- irb iri irr irs irt is- isb ish isi isr iss ist isw itb ith iti its itt iwb iwi iwr iws iwt iww rbb rbh rbi rbr rbs rbt rbw rh- rhb rhh rhi rhr rhs rht rib rih rii rir ris rit rrb rrh rri rrr rrs rrt rsb rsh rsi rsr rss rst rsw rtb rti rtr rts rtt rtw rwb rwh rwi rwr rws sbb sbh sbi sbr sbs sbt sbw sh- shb shh shi shr shs sht sib sih sii sir sis sit siw sr- srb srh sri srr srs srt srw ss- ssb ssh ssi ssr sss sst ssw stb sth sti str sts stt stw swb swh swi swr sws swt tbb tbh tbi tbr tbs tbt th- thb thh thi thr ths tht thw tib tih tii tir tis tit tiw trb trh tri trr trs trt trw tsb tsh tsi tsr tss tst tsw ttb tth tti ttr tts ttt ttw twb twh twi twr tws twt tww wbb wbi wbr wbs wbt wbw wh- whb whh whi whr whs wht whw wib wii wir wis wit wr- wrh wri wrr wrs wrt wrw wsb wsh wsi wsr wss wst wsw wtb wth wti wtr wts wtt wtw wwi wwt www