second amino acid second amplification second amplifier second anchor second and a half second and fifth second and final second and first second and fourth second and last second and sixth second and subsequent second and the third second and then second and third second and third class second and third degree second and third floor second and third floors second and third generation second and third paragraphs second and third periodic report second and third periodic reports second and third place second and third places second and third quarters second and third respectively second and third sentences second and third time second and third trimester second and third year second and third years second and third-degree second and you second angel second angle second anglo-afghan second anglo-dutch war second angular second animated second anime second anniversary second announcement second annual second annual conference second annual meeting second annual report second annular second answer second antenna second apartment second aperture second apology second appeal second appearance second applicant second application second appointment second approach second arab second arc second area second argument second arm second army second arrangement second array second arrest second arrow second article second artillery second artist second ascent second asian second aspect second assault second assembly second assessment second assessment report second assignment second assistant second assumption second atomic second attachment second attack second attempt second attempt was made second audio second audition second australian second authentication second author second autopsy second auxiliary second avenue second avenue subway second award second axial second axis