Common typos: tx1800svx1800svt1800svtx800svtx100svtx180svtx1800ctx1800sbtx1800sftx1800sgtx1800svrx1800svyx1800sv5x1800svgx1800svfx1800sv6x1800svtz1800svtc1800svts1800svtd1800svtx2800svtxq800svtxw800svtx1900svtx1700svtx1i00svtx1u00svtx1890svtx18p0svtx18o0svtx1809svtx180psvtx180osvtx1800avtx1800dvtx1800wvtx1800zvtx1800xvtx1800etvx1800svxt1800svt1x800svtx8100svtx1080svtx180s0cvtx1800svctx1800sbvtx1800svbtx1800sfvtx1800svftx1800sgvtx1800svgtx1800svrtx1800svtrx1800svytx1800svtyx1800sv5tx1800svt5x1800svtgx1800svtfx1800sv6tx1800svt6x1800svtzx1800svtxz1800svtcx1800svtxc1800svtsx1800svtxs1800svtdx1800svtxd1800svtx21800svtx12800svtxq1800svtx1q800svtxw1800svtx1w800svtx19800svtx18900svtx17800svtx18700svtx1i800svtx18i00svtx1u800svtx18u00svtx18090svtx18p00svtx180p0svtx18o00svtx180o0svtx18009svtx1800psvtx1800osvtx1800asvtx1800savtx1800dsvtx1800sdvtx1800wsvtx1800swvtx1800zsvtx1800szvtx1800xsvtx1800sxvtx1800esvtx1800sevvtx1800svttx1800svtxx1800svtx11800svtx18800svtx18000svtx1800ss