internal form of subscripted variable

amelocemental bacillus septicus keratomalaciae combination tyre conformity of document declare value dew-point indicator diabetic microangiopathy employed foot hair root sheath insurance of export import goods isognomon isognomum mentoposterior position minimum gropu delay negative reinforcement one-dose peroneal cutaneous nerve pousses-pousses the bifurcation of nature umbrella hood vacuum wavelength