How to bring text to hierarchy

Dear All,

   I have created 3 calculated  columns in attribute views using string function .

and build an level hierarchy using that calculated column .

How i want to bring text to the hierarchy .

Table used:

MVKE

field :

PRODH

Total length of PRODH is 18

i have taken first 5 char as level 1 , next 5 char as level 2 and remaining 10 char as level 3

and created hierarchy .

for text i have to pass level 1, level 2 and level 3 individually to table T179T and to get VTEXT

How i want to show hierarchy along text.

If any one have some idea how to proceed kindly suggest me .

Thanks in advance