a tRNA with a 3' CCACCA end + 3 diphosphate => a tRNA with a 3' CCA end + 2 CTP + ATP
a trna with a 3' ccacca end + 3 diphosphate => a trna with a 3' cca end + 2 ctp + atp
a tRNA with a 3' CCACCA end + 3 diphosphate => a tRNA with a 3' CCA end + 2 CTP + ATP
a trna with a 3' ccacca end + 3 diphosphate => a trna with a 3' cca end + 2 ctp + atp