-ic bbb bbc bbi bbn bbr bcb bcc bci bcn bcr bi- bib bic bii bin bir bnb bnc bni bnn bnr brb bri brn brr c-- cbb cbc cbi cbn cbr ccb ccc cci ccn ccr ci- cib cic cii cin cir cn- cnb cnc cni cnn cnr crb crc cri crn crr ibb ibc ibi ibn ibr icb icc ici icn icr iib iic iii iin iir in- inb inc ini inn inr ir- irb irc iri irn irr n-i nbb nbc nbi nbn nbr ncb ncc nci ncn ncr nib nic nii nin nir nnb nnc nni nnn nrb nrc nri nrn nrr rbb rbc rbi rbn rbr rcb rcc rci rcn rcr rib ric rii rin rir rnb rnc rni rnn rnr rrb rrc rri rrn rrr

bbbb bbci bbin bbrc bcbc bccc bcci bibb bibi bicc bici biin bin- binc bini binn birb biri birn birr bnib bnin bnrr brcb bric brin brrr cbbc cbcc cbcn cbcr cbir cbrn ccbc ccbn cccb cccc ccci ccic ccii ccir ccnb ccnc ccni ccnr ccrc ccri cibc cibi cicc cici cicr ciii cin- cinc cini cirb circ ciri cirr cnbc cnci cnib cnic cnrc cnrr crbc crcc crcr crib cric crin ibrc ibri icbc iccb iccc icci iccn iccr icnb icnc icrc icrr iiii iirc incb inci incr inni innr inri ircc iri- iric irin irrc irri n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccr ncnc ncrc ncri nibi nicc nici niir nini nnnn nric nrrc rbbb rbbr rcbc rccb rccc rcic rcnr rib- ricc riin rinn riri rnbr rnin rrrr

bibic bibin bibri binci binic birin birni brini brinn brrrr ccccc cccii cciii cibin cibir cinii ciric cirr- cirri cnnnn cribb crini crnci crnic icbrr icici iiiii inbin inini ircii irinn nibbi nicci niibi ninib rcirc ribbi ribin ricci ricin

bbbbbb bibiri bircii biribi birini bribir bribri bricin cincin cirici cirri- cnicin crinc- crini- crncic nibrin ribbin ribici

bbbbbbb cri-cri crncici iricici nib-nib ricinic

bbbbbbbb i-ii-iii

bbbbbbbbbbbbbbb ccccccccccccccc