a-a a-c aaa aac aad aae aah aan ac- aca acc acd ace ach acn ad- ada adc add ade adh adn aea aec aed aee aeh aen aha ahc ahd ahe ahh ahn an- ana anc and ane anh ann c-- caa cac cad cae cah can cca ccc ccd cce cch ccn cda cdc cdd cde cdh cdn ce- cea cec ced cee ceh cen ch- cha chc chd che chh chn cn- cna cnc cnd cne cnh cnn daa dac dad dae dah dan dca dcc dcd dce dcn dda ddc ddd dde ddh ddn de- dea dec ded dee deh den dh- dha dhc dhd dhe dhh dna dnc dnd dne dnh dnn eaa eac ead eae eah ean ec- eca ecc ecd ece ech ecn ed- eda edc edd ede edh edn eea eec eed eee een eha ehc ehd ehe ehh ehn en- ena enc end ene enh enn haa hac had hae hah han hca hcc hcd hce hch hcn hda hdc hdd hde hdh hdn he- hea hec hed hee heh hen hha hhc hhd hhe hhh hhn hna hnc hnd hne hnh hnn naa nac nad nae nah nan nca ncc ncd nce nch ncn nda ndc ndd nde ndh ndn ne- nea nec ned nee neh nen nha nhc nhd nhe nhh nhn nna nnc nne nnh nnn