a-a aaa aad aae aah aan ad- ada add ade adh adn aea aed aee aeh aen aha ahd ahe ahh ahn an- ana and ane anh ann daa dad dae dah dan dda ddd dde ddh ddn de- dea ded dee deh den dh- dha dhd dhe dhh dna dnd dne dnh dnn eaa ead eae eah ean ed- eda edd ede edh edn eea eed eee een eha ehd ehe ehh ehn en- ena end ene enh enn haa had hae hah han hda hdd hde hdh hdn he- hea hed hee heh hen hha hhd hhe hhh hhn hna hnd hne hnh hnn naa nad nae nah nan nda ndd nde ndh ndn ne- nea ned nee neh nen nha nhd nhe nhh nhn nna nne nnh nnn