-ic -ji bbb bbc bbe bbi bbn bbs bbt bcb bcc bce bci bcj bcn bcs bct be- beb bec bee bei ben bes bet bi- bib bic bie bii bij bin bis bit bjc bji bjj bjn bjs bjt bnb bnc bne bni bnj bnn bns bnt bsb bsc bse bsi bsj bsn bss bst btb btc bte bti btn bts btt c-- c-j cbb cbc cbe cbi cbj cbn cbs cbt ccb ccc cce cci ccj ccn ccs cct ce- ceb cec cee cei cej cen ces cet ci- cib cic cie cii cij cin cis cit cjb cjc cjs cn- cnb cnc cne cni cnj cnn cns cnt csb csc cse csi csj csn css cst ctb ctc cte cti ctn cts ctt ebb ebc ebe ebi ebj ebn ebs ebt ec- ecb ecc ece eci ecj ecn ecs ect eeb eec eee een ees eet eib eic eie eii eij ein eis eit ejc eji ejt en- enb enc ene eni enn ens ent es- esb esc ese esi esn ess est etb etc ete eti etj etn ets ett ibb ibc ibe ibi ibj ibn ibs ibt icb icc ice ici icj icn ics ict ie- iec iee iei iej ien ies iet iib iic iie iii iij iin iis iit ijb ijc ije iji ijn ijs ijt in- inb inc ine ini inj inn ins int is- isb isc ise isi isj isn iss ist itb itc ite iti itj itn its itt j-i jbc jbi jbj jbs jbt jcb jcc jce jci jcs jct jeb jec jee jei jej jen jes jet jib jic jie jii jij jin jis jit jjb jjc jjj jjs jnc jne jnj jnn jns jnt jsb jsc jse jsi jsj jsn jss jst jtb jtc jte jti jtn jts jtt n-i nbb nbc nbe nbi nbn nbs nbt ncb ncc nce nci ncn ncs nct ne- neb nec nee nei nej nen nes net nib nic nie nii nin nis nit njc nje njn njs nnb nnc nne nni nnn nns nnt nsb nsc nse nsi nsn nss nst ntb ntc nte nti ntn nts ntt sbb sbc sbe sbi sbj sbn sbs sbt scb scc sce sci scj scn scs sct se- seb sec see sei sej sen ses set sib sic sie sii sij sin sis sit sjb sjc sje sji sjj sjs sjt snb snc sne sni snj snn sns snt ss- ssb ssc sse ssi ssj ssn sss sst stb stc ste sti stj stn sts stt tbb tbc tbe tbi tbj tbn tbs tbt tcb tcc tce tci tcj tcn tcs tct te- teb tec tee tei tej ten tes tet tib tic tie tii tin tis tit tjc tje tji tjs tnb tnc tne tni tnn tns tnt tsb tsc tse tsi tsj tsn tss tst ttb ttc tte tti ttn tts ttt