Basing letters on objects (pictographs) is an easy way to start a writing system.
1	Basing	base	VERB	VBG	VerbForm=Ger	11	csubj	11:csubj	Discourse=joint-other_m:120->71:1|Entity=(164-event-new-cf1-1-disc
2	letters	letter	NOUN	NNS	Number=Plur	1	obj	1:obj	Entity=(165-abstract-new-cf2-1-sgl)
3	on	on	ADP	IN	_	4	case	4:case	_
4	objects	object	NOUN	NNS	Number=Plur	1	obl	1:obl:on	Entity=(166-object-new-cf4-1-sgl)164)
5	(	(	PUNCT	-LRB-	_	6	punct	6:punct	Discourse=restatement-partial:121->120:0|SpaceAfter=No
6	pictographs	pictograph	NOUN	NNS	Number=Plur	4	appos	4:appos	Entity=(167-abstract-new-cf5-1-sgl)|SpaceAfter=No
7	)	)	PUNCT	-RRB-	_	6	punct	6:punct	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	11:cop	Discourse=same-unit_m:122->120:1
9	an	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Entity=(164-event-giv:act-cf1-3-pred
10	easy	easy	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	way	way	NOUN	NN	Number=Sing	0	root	0:root	_
12	to	to	PART	TO	_	13	mark	13:mark	_
13	start	start	VERB	VB	VerbForm=Inf	11	acl	11:acl:to	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	16:det	Entity=(168-abstract-new-cf3-3-sgl
15	writing	writing	NOUN	NN	Number=Sing	16	compound	16:compound	_
16	system	system	NOUN	NN	Number=Sing	13	obj	13:obj	Entity=168)164)|SpaceAfter=No
17	.	.	PUNCT	.	_	11	punct	11:punct	_
