b-u bbb bbc bbe bbn bbs bbt bbu bcb bcc bce bcj bcn bcs bct bcu be- beb bec bee ben bes bet beu bjc bjj bjn bjs bjt bju bnb bnc bne bnj bnn bns bnt bnu bsb bsc bse bsj bsn bss bst bsu btb btc bte btn bts btt btu bub buc bue buj bun bus but buu c-- c-j cbb cbc cbe cbj cbn cbs cbt cbu ccb ccc cce ccj ccn ccs cct ccu ce- ceb cec cee cej cen ces cet ceu cjb cjc cjs cn- cnb cnc cne cnj cnn cns cnt cnu csb csc cse csj csn css cst csu ctb ctc cte ctn cts ctt ctu cub cuc cue cun cus cut cuu ebb ebc ebe ebj ebn ebs ebt ebu ec- ecb ecc ece ecj ecn ecs ect ecu eeb eec eee een ees eet ejc ejt eju en- enb enc ene enn ens ent enu es- esb esc ese esn ess est esu etb etc ete etj etn ets ett etu eu- eub euc eue euj eun eus eut jbc jbj jbs jbt jbu jcb jcc jce jcs jct jcu jeb jec jee jej jen jes jet jeu jjb jjc jjj jjs jju jnc jne jnj jnn jns jnt jnu jsb jsc jse jsj jsn jss jst jsu jtb jtc jte jtn jts jtt jtu jub jue jun jus jut nbb nbc nbe nbn nbs nbt nbu ncb ncc nce ncn ncs nct ncu ne- neb nec nee nej nen nes net neu njc nje njn njs nju nnb nnc nne nnn nns nnt nnu nsb nsc nse nsn nss nst nsu ntb ntc nte ntn nts ntt ntu nub nuc nue nuj nun nus nut nuu sbb sbc sbe sbj sbn sbs sbt sbu scb scc sce scj scn scs sct scu se- seb sec see sej sen ses set seu sjb sjc sje sjj sjs sjt sju snb snc sne snj snn sns snt snu ss- ssb ssc sse ssj ssn sss sst ssu stb stc ste stj stn sts stt stu sub suc sue sun sus sut suu tbb tbc tbe tbj tbn tbs tbt tbu tcb tcc tce tcj tcn tcs tct tcu te- teb tec tee tej ten tes tet teu tjc tje tjs tju tnb tnc tne tnn tns tnt tsb tsc tse tsj tsn tss tst tsu ttb ttc tte ttn tts ttt ttu tub tuc tue tuj tun tus tut tuu ubb ubc ube ubn ubs ubt ubu ucb ucc uce ucj ucn ucs uct ucu ueb uec uee uen ues uet ujc ujs un- unb unc une unn uns unt unu usb usc use usj usn uss ust usu utb utc ute utj utn uts utt utu uuc uue uun uus uut uuu