You can use the following tags:
p - paragraph
div - used as a container for HTML elements
h1, h2, h3, h4, h5, h6 - heading 1 to heading 6
ul - unnumbered list
ol - ordered list
li - list
blockquote - indicates that the enclosed text is an extended quotation
b - bold
i - italic
font - specifys the font face, font size, and color of text
s - strikethrough
u - underlined
o - overline position
sup - superscript
sub - subscript
ins - defines a text that has been inserted into a document. Browsers will usually underline inserted text.
del - defines text that has been deleted from a document. Browsers will usually strike a line through deleted text.
strong - used to define text with strong importance. The content inside is typically displayed in bold.
style - used to define style information (CSS) for a document. Inside the <style> element you specify how HTML elements should render in a browser.
tt - was used in HTML 4 to define teletype text
code - defines some text as computer code in a document
big - was used in HTML 4 to define bigger text
small - defines a smaller text
br - inserts a single line break in a text
span - inline container used to mark up a part of a text, or a part of a document
em - emphasis
html - represents the root of an HTML document
head - container for metadata.
img - used to embed an image
body - defines the document body
a - defines a hyperlink
table - defines an HTML table
tr - table row
td - defines a standard data cell in an HTML table
rect - used to create a rectangle and variations of a rectangle shape when using SVG (Scalable Vector Graphics) shapes.
tbody - used to group the body content in an HTML table
thead - used to group header content in an HTML table
pre - text in a <pre> element is displayed in a fixed-width font, and the text preserves both spaces and line breaks. The text will be displayed exactly as written in the HTML source code.
meta - defines metadata about an HTML document
th - defines a header cell in an HTML table
hr - defines a thematic break in an HTML page, for example, a shift of topic