Common typos: cog00og00cg00co00cog9cog0pcog0ocog00xog00vog00dog00fog00cpg00cig00clg00c9g00ckg00c0g00cof00coh00cot00cov00cob00coy00cog90cogp0cogoc0og00ocg00cgo00co0g90cog009cog0p0cog00pcog0o0cog00ocog00xcog00cxog00vcog00cvog00dcog00cdog00fcog00cfog00cpog00copg00ciog00coig00clog00colg00c9og00co9g00ckog00cokg00c0og00co0g00cofg00cogf00cohg00cogh00cotg00cogt00covg00cogv00cobg00cogb00coyg00cogy00cog900cog090cogp00cog0p0cogo00cog0o00cog00ccog00coog00cogg00cog00