bbb bbd bbi bbs bdb bdd bdi bds bi- bib bid bii bis bsb bsd bsi bss dbb dbd dbi dbs ddb ddd ddi dds di- dib did dii dis dsb dsd dsi dss i-d ibb ibd ibi ibs idb idd idi ids iib iid iii iis is- isb isd isi iss sbb sbd sbi sbs sdb sdd sdi sds sib sid sii sis ss- ssb ssd ssi sss

bbbb bbbs bbdd bdii bdsd bibb bibi bibs bidi biis bis- bisd biss bsbd bssd dbss dddd ddss dibb dibs didi dids diii diis dis- disd disi diss dssi ibid ibis ibss idid idis idss iiii iiis iisd iisi isbd isdb isds isis issi isss s-ib s-ii sbbs sbds sbsd sbsi sdds sdib sdss sibi sibs sidd sidi sids sisd sisi siss ssdd ssid ssis sssb sssi ssss

bibbs bibis bssid ddddd diss- i-bid ibdis ibids iiiii is-is isisi issid s-iii siddi sidis sisid sisis sissi sssss

bbbbbb bidbid diii-d isidid issids siiiii sisisi

bbbbbbb bissibi isidids sssssss

bbbbbbbb i-ii-iii

bidi-bidi ddddddddd issisisis

biddi-biddi

bbbbbbbbbbbbbbb

iiiiiiiiiiiiiiiis