q = 4-illion Q = 5-illion s = 6-illion S = 7-illion O = 8-illion N = 9-illion D = 10-illion UDE = 11-illion DDE = 12-illion TDE = 13-illion QDDE = 14-illion QNDE = 15-illion SXDE = 16-illion SPDE = 17-illion OCDE = 18-illion NODE = 19-illion VT = 20-illion UVT = 21-illion DVT = 22-illion TVT = 23-illion