Form twelve four-letter words that are only partially given to you. The two-letter groups that need to be entered into each blank are provided below. All twelve two-letter groups have to be used in order to forma total of twelve 4-letter words.
_ _ CE
_ _ AD
SE _ _
RO _ _
DE _ _
HE _ _
LE _ _
_ _ RE
ED _ _
_ _ TE
_ _ TI
_ _ AT
*********************2-letter groups******************
NO, ON, SI, MP, LO, AN, NT, RO, IT, PE, AM, EM