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-ana -wal a-ak a-do a-ok a-wa aaaa aaab aaac aaad aaal aaan aaar aaba aabb aabc aabd aabl aabw aaca aacb aacc aacd aack aacl aacn aaco aacr aada aadc aaka aala aalc aald aall aalo aana aand aaon aaoo aaow aara aarc aard aaro aaww abaa abab abac abad abak abal aban abar abaw abb- abba abbb abbo abbr abca abcb abcc abcd abcl abcn abcr abcw abda abdo abla ablo aboa