Here are the number of combinations:
3 Letter List (17576 Combinations)
3 Letter Number (27980 Combinations)
3 Number List (1000 Combinations)
4 Letter List (456976 Combinations)
4 Number List (10000 Combinations)
5 Number List (100000 Combinations)
Letter-Letter (676 Combinations)
Letter-Letter-Letter (17576 Combinations)
Letter-LetterLetter (17576 Combinations)
Letter-Number (260 Combinations)
LetterLetter-Letter (17576 Combinations)
Number-Letter (260 Combinations)
Number-Number (100 Combinations)
Number-Number-Number (1000 Combinations)
Number-NumberNumber (1000 Combinations)
NumberNumber-Number (1000 Combinations)
3 LetterNumber Mix (LNLN-LN - 27980 Combinations)
3 LetterNumber Mix (LN-LNLN - 27980 Combinations)
LetterLetterLetter-Letter (456976 Combinations)
LetterLetter-LetterLetter (456976 Combinations)
Letter-LetterLetterLetter (456976 Combinations)
NumberNumberNumber-Number (10000 Combinations)
NumberNumber-NumberNumber (10000 Combinations)
Number-NumberNumberNumber (10000 Combinations)
CVC (2205 Combinations)
CVCV (11025 Combinations)
CVCVC (231526 Combinations)
VCV (525 Combinations)
VCVC (11025 Combinations)
VCVCV (55125 Combinations)
3 Letter List (17576 Combinations)
3 Letter Number (27980 Combinations)
3 Number List (1000 Combinations)
4 Letter List (456976 Combinations)
4 Number List (10000 Combinations)
5 Number List (100000 Combinations)
Letter-Letter (676 Combinations)
Letter-Letter-Letter (17576 Combinations)
Letter-LetterLetter (17576 Combinations)
Letter-Number (260 Combinations)
LetterLetter-Letter (17576 Combinations)
Number-Letter (260 Combinations)
Number-Number (100 Combinations)
Number-Number-Number (1000 Combinations)
Number-NumberNumber (1000 Combinations)
NumberNumber-Number (1000 Combinations)
3 LetterNumber Mix (LNLN-LN - 27980 Combinations)
3 LetterNumber Mix (LN-LNLN - 27980 Combinations)
LetterLetterLetter-Letter (456976 Combinations)
LetterLetter-LetterLetter (456976 Combinations)
Letter-LetterLetterLetter (456976 Combinations)
NumberNumberNumber-Number (10000 Combinations)
NumberNumber-NumberNumber (10000 Combinations)
Number-NumberNumberNumber (10000 Combinations)
CVC (2205 Combinations)
CVCV (11025 Combinations)
CVCVC (231526 Combinations)
VCV (525 Combinations)
VCVC (11025 Combinations)
VCVCV (55125 Combinations)