-th b-u bbb bbd bbh bbi bbs bbt bbu bdb bdd bdh bdi bds bdt bdu bhb bhd bhh bhi bhs bht bhu bi- bib bid bih bii bis bit biu bsb bsd bsh bsi bss bst bsu btb btd bth bti bts btt btu bub bud buh bui bus but buu dbb dbd dbh dbi dbs dbt dbu ddb ddd ddh ddi dds ddt ddu dh- dhb dhd dhh dhi dhs dht dhu di- dib did dih dii dis dit diu dsb dsd dsh dsi dss dst dsu dtb dtd dth dti dts dtt dtu dub dud duh dui dus dut h-i hbb hbd hbh hbi hbs hbt hbu hdb hdd hdh hdi hds hdt hdu hhb hhd hhh hhi hhs hht hhu hib hid hih hii his hit hiu hsb hsd hsh hsi hss hst hsu htb htd hth hti hts htt hub hud huh hui hus hut huu i-d ibb ibd ibh ibi ibs ibt ibu idb idd idh idi ids idt idu ihb ihd ihh ihi ihs iht ihu iib iid iih iii iis iit iiu is- isb isd ish isi iss ist isu itb itd ith iti its itt itu iu- iub iud iui ius iut sbb sbd sbh sbi sbs sbt sbu sdb sdd sdh sdi sds sdt sdu sh- shb shd shh shi shs sht shu sib sid sih sii sis sit siu ss- ssb ssd ssh ssi sss sst ssu stb std sth sti sts stt stu sub sud suh sui sus sut suu tbb tbd tbh tbi tbs tbt tbu tdb tdd tdh tdi tds tdt tdu th- thb thd thh thi ths tht thu tib tid tih tii tis tit tiu tsb tsd tsh tsi tss tst tsu ttb ttd tth tti tts ttt ttu tub tud tuh tui tus tut tuu ubb ubh ubi ubs ubt ubu udb udd udi uds udt udu uhb uhd uhh uhi uhs uht uhu uib uid uii uis uit uiu usb usd ush usi uss ust usu utb utd uth uti uts utt utu uus uut uuu