bbb bbd bbi bbx bdb bdd bdi bdx bi- bib bid bii bix bxb bxd bxi bxx dbb dbd dbi dbx ddb ddd ddi ddx di- dib did dii dix dxd dxi dxx i-d ibb ibd ibi ibx idb idd idi idx iib iid iii iix ixi xbx xdb xdi xii xix xxi xxx

bbbb bbdd bdii bibb bibi bidi bixi d-ix dddd dibb didi diii dixi dxii dxix dxxx ibid idid iiii ixxi xidi xiii xixi xxii xxix xxxi xxxx

ddddd dixid dxdxd i-bid iiiii xxiii xxxii xxxix

bbbbbb bidbid diii-d xxxiii

bbbbbbb xxxxxxx

bbbbbbbb i-ii-iii

bidi-bidi ddddddddd

biddi-biddi

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