-th bbb bbd bbh bbi bbo bbs bbt bby bdb bdd bdh bdi bdo bds bdt bdy bhb bhd bhh bhi bho bhs bht bi- bib bid bih bii bio bis bit biy bob bod boh boi boo bos bot boy bsb bsd bsh bsi bso bss bst bsy btb btd bth bti bto bts btt bty by- byd byh byi byo bys byt dbb dbd dbh dbi dbo dbs dbt dby ddb ddd ddh ddi ddo dds ddt ddy dh- dhb dhd dhh dhi dho dhs dht di- dib did dih dii dio dis dit diy dob dod doh doi doo dos dot doy dsb dsd dsh dsi dso dss dst dsy dtb dtd dth dti dto dts dtt dty dy- dyb dyd dyo dys dyy h-i hbb hbd hbh hbi hbo hbs hbt hby hdb hdd hdh hdi hdo hds hdt hdy hhb hhd hhh hhi hho hhs hht hhy hib hid hih hii hio his hit hob hod hoh hoi hoo hos hot hoy hsb hsd hsh hsi hss hst hsy htb htd hth hti hto hts htt hty hy- hyb hyd hyh hyi hyo hys hyt hyy i-d ibb ibd ibh ibi ibo ibs ibt iby idb idd idh idi ido ids idt idy ihb ihd ihh ihi iho ihs iht ihy iib iid iih iii iio iis iit io- iob iod ioh ioi ioo ios iot is- isb isd ish isi iso iss ist isy itb itd ith iti ito its itt ity iyo iys iyt iyy o-i ob- obb obd obh obi obo obs obt oby odb odd odh odi odo ods odt ohd ohh ohi oho ohs oht oib oid oii oio ois oit oo- oob ood ooh ooi ooo oos oot os- osb osd osh osi oso oss ost ot- otb otd oth oti oto ots ott oyd oyi oyo oys sbb sbd sbh sbi sbo sbs sbt sby sdb sdd sdh sdi sdo sds sdt sdy sh- shb shd shh shi sho shs sht shy sib sid sih sii sio sis sit sob sod soh soi soo sos sot soy ss- ssb ssd ssh ssi sso sss sst stb std sth sti sto sts stt sty sy- syb syd syh syi sys syt tbb tbd tbh tbi tbo tbs tbt tdb tdd tdh tdi tdo tds tdt tdy th- thb thd thh thi tho ths tht thy tib tid tih tii tio tis tit tiy to- tob tod toh toi too tos tot toy tsb tsd tsh tsi tso tss tst tsy ttb ttd tth tti tto tts ttt tty tyd tyo tys tyt ybi ybs yby ydo yds ydt ydy yhi yhs yht yid yih yii yio yis yit yob yod yoi yoo yos yot yoy ysb ysi yso yss yst ysy ytd yth yto yts ytt yyb yys yyt yyy