a-a a-b aaa aab aae aaj aam aas ab- aba abb abe abj abm abs aea aeb aee aej aem aes aja ajb aje ajj ajm ajs ama amb ame amm ams as- asa asb ase asj asm ass baa bab bae baj bam bas bba bbb bbe bbm bbs be- bea beb bee bem bes bja bjj bjm bjs bma bmb bme bmj bmm bms bsa bsb bse bsj bsm bss eaa eab eae eaj eam eas eba ebb ebe ebj ebm ebs eea eeb eee eem ees eja em- ema emb eme emm ems es- esa esb ese esm ess jaa jab jae jaj jam jas jba jbj jbm jbs jea jeb jee jej jem jes jja jjb jjj jjs jma jmb jme jmj jmm jms jsa jsb jse jsj jsm jss maa mab mae maj mam mas mba mbb mbe mbj mbm mbs mea meb mee mej mem mes mjb mje mjj mjm mjs mma mmb mme mmj mmm mms msa msb mse msj msm mss saa sab sae saj sam sas sba sbb sbe sbj sbm sbs se- sea seb see sej sem ses sja sjb sje sjj sjm sjs sma smb sme smm sms ss- ssa ssb sse ssj ssm sss