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The {\it string theory} seems to be a mathematically consistent way forexplaining so far observed fermion and boson second quantized fields, withgravity included, by offering the renormalizability of the theory by extendingthe point fermions and bosons into strings and by offering the supersymmetryamong fermions and bosons. In a long series of works one of the authors incollaboration with another author and other collaborators, has found thephenomenological success with the model named the {\it spin-charge-family}theory with the properties: The creation and annihilation operators forfermions and bosons fields are described as tensor products of the Clifford odd(for fermions) and the Clifford even (for bosons) ``basis vectors'' and basisin ordinary space, explaining the second quantization postulates. The theoryoffers the explanation for the observed properties of fermion and bosons andfor several cosmological observations. Since the number of creation andannihilation operators for fermions and bosons is in this theory the same,manifesting correspondingly a kind of supersymmetry, the authors start to studyin this contribution the properties of the creation and annihilation operatorsif extending the point fermions and bosons into strings, expecting that thistheory offers the low energy limit for the {\it string theory}.

Can the "basis vectors'', describing the internal space of point fermion  and boson fields with the Clifford odd (for fermions) and Clifford even (for  bosons) objects, be meaningfully extended to strings?