Please match the terms according to the definitions. Answer with the corresponding letters (a,b,c...)(请填写相应的字母序号。) Terms: a.bound morpheme b . base c . morpheme d. free morpheme e. affix f . derivational affix g . inflectional affix h. root i. stem j . allomorph ( 1 ) a morpheme that occurs with at least one other morpheme ( 2 ) a minimal meaningful unit of a language ( 3 ) an affix that forms new words with a base, stem or root ( 4 ) one of the variants that realize a morpheme ( 5 ) a morpheme that can stand alone ( 6 ) that part of a word that can take inflectional affixes ( 7 ) a morpheme attached to a base, stem or root ( 8 ) an affix that indicates grammatical relationships ( 9 ) a form to which affixes of any kind can be added ( 10 ) what remains of a word after the removal of all affixes