Already described:

Basic Elements

Block level: body, h1, h2, h3, h4, h5, h6, p, div

Inline: em, strong, span

Tables

table, tr, thead, tbody, tfoot, col, colgroup, td, th, caption

Lists

ol, ul, li, dl, dt, dd

Forms

button, fieldset, form, input, label, legend, select, optgroup, option, textarea

Further elements:

Other block-level elements

address, blockquote, object, param, dir, hr, menu, pre

Other inline inline elements

a, bdo, dfn, code, samp, kbd, var, cite, abbr, acronym, q, i, img, br, tt