Practicing Success
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. _tk _ tt _ ltt _ lt _ kl _ tk _ |
tlktttl tllkttl tlkktll tlkkttl |
tlkkttl |
t t k l / t t k l / t t k l / t t k l / t t kl t l k k t t l |