preferred_name: formate(out) + H(+)(out) => formate(in) + H(+)(in)
preferred_name_lc: formate(out) + h(+)(out) => formate(in) + h(+)(in)
label: formate(out) + H(+)(out) => formate(in) + H(+)(in)
label_lc: formate(out) + h(+)(out) => formate(in) + h(+)(in)