-ic bbb bbc bbd bbi bcb bcc bcd bci bdb bdc bdd bdi bi- bib bic bid bii c-- cbb cbc cbd cbi ccb ccc ccd cci cdb cdc cdd cdi ci- cib cic cid cii dbb dbc dbd dbi dcb dcc dcd dci ddb ddc ddd ddi di- dib dic did dii i-d ibb ibc ibd ibi icb icc icd ici idb idc idd idi iib iic iid iii

bbbb bbci bbdd bcbc bccc bcci bdbc bddc bdii bibb bibi bicc bici bidi c-cd cbbc cbcc cbdb cbdc cbdi cbid ccbc cccb cccc ccci ccdc ccdi ccic ccid ccii cddb cdic cdii cibc cibi cicc cici cidc cidi ciid ciii dbcc dcbc dccb dccc dcci dcdb dcii dddd dibb dici didi diii ibid icbc iccb iccc icci icdc icdd idic idid iicd iiii

bibic ccccc cccii cciii cdiii dccic ddc-i ddddd i-bid icici iiiii

bbbbbb bidbid diii-d

bbbbbbb

bbbbbbbb i-ii-iii

bidi-bidi ddddddddd

biddi-biddi

bbbbbbbbbbbbbbb ccccccccccccccc