Words to Describe codons

How codons often is described ("________ codons")

• extra
• synonymous
• consecutive
• nonuniversal
• rare
• acid
• alternative
• mammalian
• certain
• unusual
• letter
• contiguous
• complementary
• anti
• premature
• type
• downstream
• several
• specific
• specifying
• potential
• terminal
• authentic
• normal
• additional
• fewer
• mutant
• variable
• identical
• minor
• appropriate
• internal
• alanine
• particular
• genetic
• nucleotide
• corresponding
• cognate
• translational
• mutated
• randomized
• one
• hungry
• respective
• nonsense
• frequent
• unassigned
• terminating
• upstream
• adjacent
• related
• stop
• first
• possible
• correct
• putative
• numerous
• successive
• favoured
• optimal
• rich
• different
• degenerate
• base
• unique
• subsequent
• individual
• redundant
• random
• neighboring
• alternate
• multiple
• preferred