b-u bbb bbc bbn bbs bbt bbu bcb bcc bcj bcn bcs bct bcu bjc bjj bjn bjs bjt bju bnb bnc bnj bnn bns bnt bnu bsb bsc bsj bsn bss bst bsu btb btc btn bts btt btu bub buc buj bun bus but buu c-- c-j cbb cbc cbj cbn cbs cbt cbu ccb ccc ccj ccn ccs cct ccu cjb cjc cjs cn- cnb cnc cnj cnn cns cnt cnu csb csc csj csn css cst csu ctb ctc ctn cts ctt ctu cub cuc cun cus cut cuu jbc jbj jbs jbt jbu jcb jcc jcs jct jcu jjb jjc jjj jjs jju jnc jnj jnn jns jnt jnu jsb jsc jsj jsn jss jst jsu jtb jtc jtn jts jtt jtu jub jun jus jut nbb nbc nbn nbs nbt nbu ncb ncc ncn ncs nct ncu njc njn njs nju nnb nnc nnn nns nnt nnu nsb nsc nsn nss nst nsu ntb ntc ntn nts ntt ntu nub nuc nuj nun nus nut nuu sbb sbc sbj sbn sbs sbt sbu scb scc scj scn scs sct scu sjb sjc sjj sjs sjt sju snb snc snj snn sns snt snu ss- ssb ssc ssj ssn sss sst ssu stb stc stj stn sts stt stu sub suc sun sus sut suu tbb tbc tbj tbn tbs tbt tbu tcb tcc tcj tcn tcs tct tcu tjc tjs tju tnb tnc tnn tns tnt tsb tsc tsj tsn tss tst tsu ttb ttc ttn tts ttt ttu tub tuc tuj tun tus tut tuu ubb ubc ubn ubs ubt ubu ucb ucc ucj ucn ucs uct ucu ujc ujs un- unb unc unn uns unt unu usb usc usj usn uss ust usu utb utc utj utn uts utt utu uuc uun uus uut uuu