bbb bbc bbe bbo bbs bbt bcb bcc bce bcj bco bcs bct be- beb bec bee beo bes bet bjc bjj bjs bjt bob boc boe boj boo bos bot bsb bsc bse bsj bso bss bst btb btc bte bto bts btt c-- c-j cbb cbc cbe cbj cbo cbs cbt ccb ccc cce ccj cco ccs cct ce- ceb cec cee cej ceo ces cet cjb cjc cjs co- cob coc coe coj coo cos cot csb csc cse csj cso css cst ctb ctc cte cto cts ctt ebb ebc ebe ebj ebo ebs ebt ec- ecb ecc ece ecj eco ecs ect eeb eec eee eeo ees eet ejc ejo ejt eo- eob eoc eoe eoo eos eot es- esb esc ese eso ess est etb etc ete etj eto ets ett jbc jbj jbo jbs jbt jcb jcc jce jco jcs jct jeb jec jee jej jeo jes jet jjb jjc jjj jjs job joc joe joj joo jos jot jsb jsc jse jsj jso jss jst jtb jtc jte jts jtt ob- obb obc obe obj obo obs obt oc- ocb occ ocj oco ocs oct oeb oec oee oeo oes oet ojb ojc oje ojo ojs oo- oob ooc ooo oos oot os- osb osc ose osj oso oss ost ot- otb otc ote oto ots ott sbb sbc sbe sbj sbo sbs sbt scb scc sce scj sco scs sct se- seb sec see sej seo ses set sjb sjc sje sjj sjs sjt sob soc soe soj soo sos sot ss- ssb ssc sse ssj sso sss sst stb stc ste stj sto sts stt tbb tbc tbe tbj tbo tbs tbt tcb tcc tce tcj tco tcs tct te- teb tec tee tej teo tes tet tjc tje tjo tjs to- tob toc toe toj too tos tot tsb tsc tse tsj tso tss tst ttb ttc tte tto tts ttt