-al a-a a-b a-c a-t aaa aab aac aae aaj aal aas aat ab- aba abb abc abe abj abl abs abt ac- aca acb acc ace acj acl acs act aea aeb aec aee aej ael aes aet aja ajb ajc aje ajj ajl ajs ajt al- ala alb alc ale alj all als alt as- asa asb asc ase asj asl ass ast at- ata atb atc ate atl ats att baa bab bac bae baj bal bas bat bba bbb bbc bbe bbl bbs bbt bca bcb bcc bce bcj bcl bcs bct be- bea beb bec bee bel bes bet bja bjc bjj bjs bjt bla blb blc ble blj bll bls blt bsa bsb bsc bse bsj bsl bss bst bta btb btc bte btl bts btt c-- c-j caa cab cac cae caj cal cas cat cba cbb cbc cbe cbj cbl cbs cbt cca ccb ccc cce ccj ccl ccs cct ce- cea ceb cec cee cej cel ces cet cja cjb cjc cjs cl- cla clb clc cle clj cll cls clt csa csb csc cse csj csl css cst cta ctb ctc cte ctl cts ctt eaa eab eac eae eaj eal eas eat eba ebb ebc ebe ebj ebl ebs ebt ec- eca ecb ecc ece ecj ecl ecs ect eea eeb eec eee eel ees eet eja ejc ejl ejt ela elb elc ele ell els elt es- esa esb esc ese esl ess est eta etb etc ete etj etl ets ett jaa jab jac jae jaj jal jas jat jba jbc jbj jbl jbs jbt jca jcb jcc jce jcl jcs jct jea jeb jec jee jej jel jes jet jja jjb jjc jjj jjl jjs jla jlb jlc jle jll jls jlt jsa jsb jsc jse jsj jsl jss jst jta jtb jtc jte jtl jts jtt la- laa lab lac lae laj lal las lat lba lbb lbc lbe lbj lbl lbs lbt lca lcb lcc lce lcj lcl lcs lct lea leb lec lee lej lel les let lje ljj ljs lla llb llc lle llj lll lls llt lsa lsb lsc lse lsj lsl lss lst lta ltb ltc lte ltl lts ltt saa sab sac sae saj sal sas sat sba sbb sbc sbe sbj sbl sbs sbt sca scb scc sce scj scl scs sct se- sea seb sec see sej sel ses set sja sjb sjc sje sjj sjs sjt sla slb slc sle slj sll sls slt ss- ssa ssb ssc sse ssj ssl sss sst sta stb stc ste stj stl sts stt taa tab tac tae taj tal tas tat tba tbb tbc tbe tbj tbl tbs tbt tca tcb tcc tce tcj tcl tcs tct te- tea teb tec tee tej tel tes tet tjc tje tjs tla tlc tle tlj tll tls tlt tsa tsb tsc tse tsj tsl tss tst tta ttb ttc tte ttl tts ttt