a-a a-b aaa aab aae aah aaj aam aan ab- aba abb abe abh abj abm abn aea aeb aee aeh aej aem aen aha ahb ahe ahh ahj ahm ahn aja ajb aje ajh ajj ajm ajn ama amb ame amh amm amn an- ana anb ane anh anj anm ann baa bab bae bah baj bam ban bba bbb bbe bbh bbm bbn be- bea beb bee beh bem ben bha bhb bhe bhh bhj bhm bja bjj bjm bjn bma bmb bme bmh bmj bmm bmn bna bnb bne bnj bnn eaa eab eae eah eaj eam ean eba ebb ebe ebh ebj ebm ebn eea eeb eee eem een eha ehb ehe ehh ehm ehn eja em- ema emb eme emh emm emn en- ena enb ene enh enm enn haa hab hae hah haj ham han hba hbb hbe hbh hbj hbm hbn he- hea heb hee heh hej hem hen hha hhb hhe hhh hhj hhm hhn hja hjm hjn hma hmb hme hmh hmj hmm hna hnb hne hnh hnj hnn jaa jab jae jah jaj jam jan jba jbj jbm jea jeb jee jeh jej jem jen jha jhe jhj jhn jja jjb jjj jma jmb jme jmj jmm jmn jna jne jnh jnj jnn maa mab mae mah maj mam man mba mbb mbe mbh mbj mbm mea meb mee meh mej mem men mha mhh mhm mhn mjb mje mjj mjm mma mmb mme mmh mmj mmm mmn mna mnb mne mnj mnm mnn naa nab nae nah naj nam nan nba nbb nbe nbm nbn ne- nea neb nee neh nej nem nen nha nhb nhe nhh nhj nhm nhn nja nje njm njn nma nmb nme nmh nmm nmn nna nnb nne nnh nnm nnn