(1.) Before another vowel or #h# (124): as, #eōs#, #ēvehō#; compare
#taceō# with #tacēre#. For exceptions in classical Latin, see 127; for
exceptions in early Latin see 126.
(2.) Before #nt# and #nd# (128) if not the result of contraction: as,
#calendae#, #centum#; compare #amant#, #amandus#, with #amāre#.
(3.) Before final #t# and #m#, and, in words of more than one syllable,
before final #r# and #l# (132): compare #amat#, #amem#, with #amās# and
#amēs#.
(B.) LONG VOWELS.