# add lines as input strings
# theoutput must be terminated by a line containing only a minus sign(-) 
# the example input describes
# http://i...content-available-to-author-only...r.com/qfQWs.png
# can be described aa
# EAF
# GIH
# BKJLC
# DKGE
# DJIA
# DLHF
# ABG
# AHC
# DB
# DC
# BE
# CF
# -
# find more here
# http://p...content-available-to-author-only...e.com/a/22905/1967
 
strings=[]
lines=[]
string=input()
print("strings:")
while string!='-':
    strings.append(string)
    lines.append(list(string))
    print(string)
    string=input()
 
vertices=[]
for line in lines:
    for vertex in line:
        if vertex not in vertices:
            vertices.append(vertex)
vertices.sort()
print("")
print("vertices:")
print( vertices)
 
edges=[]
for line in lines:
    for vertex1 in line:
        for vertex2 in line:
            if vertex1<vertex2:
                edges.append((vertex1,vertex2))
edges.sort()
print("")
print("edges:")
for edge in edges:
        print(edge)
 
print("")
print("lines:")
for line in lines:
	print(line)
 
triangles=[]
cnt=0
for i in vertices:
    for j in vertices:
        for k in vertices:
            if (i<j) and (i,j) in edges:
                if (j<k) and (j,k) in edges:
                    if (i,k) in edges:
                        is_degenerated=False
                        for line in lines:
                            is_degenerated=is_degenerated or (i in line and j in line and k in line)
                        if not is_degenerated:
                            cnt=cnt+1
                            triangles.append((i,j,k))
 
print("")
print("triangles:")
n=0
for triangle in triangles:
    n+=1
    print(n , triangle)
 
print("")
print("triangles found:")
print(cnt)
 

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RUFGCkdJSApCS0pMQwpES0dFCkRKSUEKRExIRgpBQkcKQUhDCkRCCkRDCkJFCkNGCi0=

EAF
GIH
BKJLC
DKGE
DJIA
DLHF
ABG
AHC
DB
DC
BE
CF
-