\[u00B1]\(+-\[t+-] PLUS-MINUS SIGN
\[u00B2]\(S2 SUPERSCRIPT TWO
\[u00B3]\(S3 SUPERSCRIPT THREE
\[u00B4]\'\(aa ACUTE ACCENT
\[u00B5]\(mc MICRO SIGN
\[u00B1]\(+-\[t+-] PLUS-MINUS SIGN
\[u00B2]\(S2 SUPERSCRIPT TWO
\[u00B3]\(S3 SUPERSCRIPT THREE
\[u00B4]\'\(aa ACUTE ACCENT
\[u00B5]\(mc MICRO SIGN