ゾク ショク コウ キョウ 
つづ.く つづ.ける つぐ.ない 
() continue () series
れんぞくに () continuously
ぞくぞくと () at length, continuously (as in speaking)
てつづき () procedure

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字