m.minimal_raw_seqs() -- Return minimal list of seqs that represent consensus

def minimal_raw_seqs(self):
        ''' m.minimal_raw_seqs() -- Return minimal list of seqs that represent consensus '''
        seqs = [[], []]
        for letter in self.oneletter:
            if one2two.has_key(letter):
                seqs[0].append(one2two[letter][0])
                seqs[1].append(one2two[letter][1])
            else:
                seqs[0].append(letter)
                seqs[1].append(letter)
        if ''.join(seqs[0]) == ''.join(seqs[1]):
            return( [''.join(seqs[0])] )
        else:
            return( [''.join(seqs[0]), ''.join(seqs[0])] )