a-a a-b a-c aaa aab aac aae aaj aap aas ab- aba abb abc abe abj abp abs ac- aca acb acc ace acj acp acs aea aeb aec aee aej aep aes aja ajb ajc aje ajj ajp ajs ap- apa apb apc ape apj app aps as- asa asb asc ase asj asp ass b-p baa bab bac bae baj bap bas bba bbb bbc bbe bbp bbs bca bcb bcc bce bcj bcp bcs be- bea beb bec bee bep bes bja bjc bjj bjp bjs bpa bpb bpc bpe bpp bps bsa bsb bsc bse bsj bsp bss c-- c-j caa cab cac cae caj cap cas cba cbb cbc cbe cbj cbp cbs cca ccb ccc cce ccj ccp ccs ce- cea ceb cec cee cej cep ces cja cjb cjc cjp cjs cpa cpb cpc cpe cpj cpp cps csa csb csc cse csj csp css eaa eab eac eae eaj eap eas eba ebb ebc ebe ebj ebp ebs ec- eca ecb ecc ece ecj ecs eea eeb eec eee eep ees eja ejc ejp ep- epa epb epc epe epp eps es- esa esb esc ese esp ess jaa jab jac jae jaj jap jas jba jbc jbj jbs jca jcb jcc jce jcp jcs jea jeb jec jee jej jep jes jja jjb jjc jjj jjp jjs jpa jpb jpc jpe jpj jpp jps jsa jsb jsc jse jsj jsp jss p-p paa pab pac pae paj pap pas pba pbb pbc pbe pbj pbp pbs pca pcb pcc pce pcj pcp pcs pea peb pec pee pep pes pja pjc pjp pjs ppa ppb ppc ppe ppj ppp pps ps- psa psb psc pse psj psp pss saa sab sac sae saj sap sas sba sbb sbc sbe sbj sbp sbs sca scb scc sce scj scp scs se- sea seb sec see sej sep ses sja sjb sjc sje sjj sjp sjs spa spb spc spe spp sps ss- ssa ssb ssc sse ssj ssp sss