CREATE TABLE table_29407 ("Pronoun" TEXT, "Present" TEXT, "1st" TEXT, "2nd" TEXT, "perfect" TEXT, "aorist" TEXT, "imperfect" TEXT, "pluperfect" TEXT)

Which aorist has imperfect form of bijasmo / bejasmo / besmo?
SELECT "aorist" FROM table_29407 WHERE "imperfect" = 'bijasmo / bejasmo / besmo'
SELECT "aorist" FROM "table_29407" WHERE "imperfect" = 'bijasmo / bejasmo / besmo'