-ic -ji bbb bbc bbi bbn bbr bcb bcc bci bcj bcn bcr bi- bib bic bii bij bin bir bjc bji bjj bjn bjr bnb bnc bni bnj bnn bnr brb bri brj brn brr c-- c-j cbb cbc cbi cbj cbn cbr ccb ccc cci ccj ccn ccr ci- cib cic cii cij cin cir cjb cjc cjr cn- cnb cnc cni cnj cnn cnr crb crc cri crj crn crr ibb ibc ibi ibj ibn ibr icb icc ici icj icn icr iib iic iii iij iin iir ijb ijc iji ijn in- inb inc ini inj inn inr ir- irb irc iri irj irn irr j-i jbc jbi jbj jbr jcb jcc jci jcr jib jic jii jij jin jir jjb jjc jjj jjr jnc jnj jnn jnr jrb jrc jri jrn jrr n-i nbb nbc nbi nbn nbr ncb ncc nci ncn ncr nib nic nii nin nir njc njn nnb nnc nni nnn nrb nrc nri nrj nrn nrr rbb rbc rbi rbn rbr rcb rcc rci rcj rcn rcr rib ric rii rin rir rjc rjr rnb rnc rni rnn rnr rrb rrc rri rrn rrr