TIPULOID

do id it li lo od oi op pi ti to up ut

dip dit dol dot dui duo dup lid lip lit lop lot oil old opt oud out pit piu pod poi pol pot pud pul put til tip tod top tui tup udo upo

diol dipt doit dolt duit idol lido litu loid loti loud loup lout pili plod plot pout ptui puli tipi toil told tolu topi updo