private List <List <string> > FilterEveryWordSet()
        {
            var eachWordSetOutput = new List <List <string> >();

            foreach (var s in _input)
            {
                var circularlyShiftedSingle = StringModifier.CircularlyShift(new List <string> {
                    s
                });
                eachWordSetOutput.Add(StringModifier.Alphabetize(circularlyShiftedSingle));
            }

            return(eachWordSetOutput);
        }
        private List <string> FilterCombinedWordSet()
        {
            var circularlyShifted = StringModifier.CircularlyShift(_input);

            return(StringModifier.Alphabetize(circularlyShifted));
        }