a-a a-b aaa aab aae aaj aam aan ab- aba abb abe abj abm abn aea aeb aee aej aem aen aja ajb aje ajj ajm ajn ama amb ame amm amn an- ana anb ane anj anm ann baa bab bae baj bam ban bba bbb bbe bbm bbn be- bea beb bee bem ben bja bjj bjm bjn bma bmb bme bmj bmm bmn bna bnb bne bnj bnn eaa eab eae eaj eam ean eba ebb ebe ebj ebm ebn eea eeb eee eem een eja em- ema emb eme emm emn en- ena enb ene enm enn jaa jab jae jaj jam jan jba jbj jbm jea jeb jee jej jem jen jja jjb jjj jma jmb jme jmj jmm jmn jna jne jnj jnn maa mab mae maj mam man mba mbb mbe mbj mbm mea meb mee mej mem men mjb mje mjj mjm mma mmb mme mmj mmm mmn mna mnb mne mnj mnm mnn naa nab nae naj nam nan nba nbb nbe nbm nbn ne- nea neb nee nej nem nen nja nje njm njn nma nmb nme nmm nmn nna nnb nne nnm nnn