bbb bbd bbf bbi bbs bdb bdd bdf bdi bds bfb bfd bff bfi bfs bi- bib bid bif bii bis bsb bsd bsf bsi bss dbb dbd dbf dbi dbs ddb ddd ddf ddi dds dfb dfd dff dfi dfs di- dib did dif dii dis dsb dsd dsf dsi dss fbb fbd fbf fbi fbs fdb fdd fdf fdi fds ffd fff ffi ffs fib fid fif fii fis fsb fsd fsf fsi fss i-d i-f ibb ibd ibf ibi ibs idb idd idf idi ids ifb ifd iff ifi ifs iib iid iif iii iis is- isb isd isf isi iss sbb sbd sbf sbi sbs sdb sdd sdf sdi sds sfb sfd sff sfi sfs sib sid sif sii sis ss- ssb ssd ssf ssi sss

bbbb bbbs bbdd bdii bdsd bffs bfsi bibb bibi bibs bidi bids biff bifi biis bis- bisd biss bsbd bsff bsfs bssd dbfs dbss dddd ddss dfds dibb dibs didi dids dif- diff difs diii diis dis- disd disi diss dsif dssi fbis fbsd ffff ffii ffss fibs fidf fids fiff fifi fiii fisd fisi fiss fsfi fssf ibfi ibid ibis ibsf ibss idid idis idsf idss ifbb ifid ifis ifsb iiii iiis iisd iisi isbd isdb isds isis issf issi isss s-ib s-ii sbbs sbds sbsd sbsi sdds sdib sdif sdsf sdss sfss sibi sibs sidd sidi sids siff sisd sisi siss ssdd ssdf ssid ssis sssb sssf sssi ssss

bibbs bibis biffi biffs bifid bisfi bssid ddddd diffs diss- fibis fissi i-bid ibdis ibids iddfs if-- iiiii is-is isisi issid s-iii siddi sidis sisid sisis sissi sssss

bbbbbb bidbid diii-d fissi- isidid issids siiiii sisisi

bbbbbbb bissibi isidids sssssss

bbbbbbbb i-ii-iii

bidi-bidi ddddddddd issisisis

biddi-biddi

bbbbbbbbbbbbbbb

iiiiiiiiiiiiiiiis