-ic bbb bbc bbi bbr bby bcb bcc bci bcr bcy bi- bib bic bii bir biy brb bri brr bry by- byc byi byr c-- cbb cbc cbi cbr cby ccb ccc cci ccr ci- cib cic cii cir crb crc cri crr cry cyb cyc cyr ibb ibc ibi ibr iby icb icc ici icr icy iib iic iii iir ir- irb irc iri irr iry iyc iyr iyy rbb rbc rbi rbr rcb rcc rci rcr rib ric rii rir riy rrb rrc rri rrr ry- ryc ryr ryy ybc ybi ybr yby ycc yci ycy yii yir yrc yyb yyc yyy

bbbb bbci bbrc bcbc bccc bcci bibb bibi bicc bici birb biri birr biry brcb bric brrr bry- cbbc cbcc cbcr cbir cbry ccbc cccb cccc ccci ccic ccii ccir ccrc ccri cibc cibi cicc cici cicr ciii cirb circ ciri cirr crbc crcc crcr crib cric cry- cryb cybb cybc cybi cyc- cycb cycc cyy- cyyc i-by ibrc ibri ibyi icbc iccb iccc icci iccr icrc icrr icry iiii iirc irby ircc iri- iric iriy irrc irri rbbb rbbr rcbc rccb rccc rcic rcyc rib- riby ricc riri rrrr ybry yccc yirb yirr yyyy

bibby bibic bibri biccy brrrr by-by bybib cc-by ccccc cccii cciii cibir ciric cirr- cirri cribb cyric icbrr icici iiiii ircii iyiyi rcirc ribbi ribby ricci rybi ycbcr yibir

bbbbbb bibiri bircii biribi bribir bribri cirici cirri- ribici

bbbbbbb cri-cri iricici

bbbbbbbb i-ii-iii

crycrycry

bbbbbbbbbbbbbbb ccccccccccccccc