L=len
m='АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ'
f=m.lower()
def g(t,c,l,d,s=[],r=[],o=-1):
 k=1
 for q,(x,y)in[(0,[0,-1]),(1,[1,0]),(1,[-1,0])]:
  if~-((w:=(a:=c[0]+x,b:=c[1]+y))in r)and L(t[0])>a>-1<b<L(t)and q-o:
   z=r+[w]
   if(h:=t[b][a])in'│─':k=0;yield from g(t,w,l,d,s,z)
   elif'┴'==h:k=0;yield from g(t,w,h,d,s,z,1)
   elif'┬'==h:
    if q:d.append(s[-1])
    else:k=0;yield from g(t,w,h,d,s,z)
   elif h in m+f and l in'┬┴':k=0;yield from g(t,w,h,d,s+[h],z)
 if k:yield s
def a(t):
 b,p,z=[*filter(None,t.split('\n'))],{},[]
 for x,y in[(x,y)for x in range(L(b[0]))for y in range(L(b))if b[y][x]in m+f]:
  for s in g(b,q:=(x,y),r:=b[y][x],z,[r],[q]):p[s[0]]=p.get(s[0],[])+[s]
 return any(~-(a in z)*~-(b in z)and L(set([a in m,b in m]))==2and~-all((q:=set(c)&set(d))and any(c.index(i)<3for i in q)for c in p[a]for d in p[b])for a in p for b in p)
 
s1="""
ы┬К
 ю 
"""
s2="""
А┬д  
О┴п┬Щ 
   Ф 
"""
s3 ="""
 ю┬────────Й  
м┬Е           
 │     ш      
 │            
 │            
 Щ            
"""
s4="""
  з┬Й    
Л┬м┴п─┬Ф 
Ы┴я┬А ш┬Я
   З   Е 
"""
s5="""
  з┬Й    
Л┬м┴п─┬Ф  
ё┴А┬я ш┬Я 
   З   Е 
"""
s6="""
           д┬Ф                                
 ю┬────────Й┴─ё┬З                             
  │            │                              
  │            ш <this person smells bad      
  │                                           
  │                                           
  Щ <this person betrayed the Party!          
"""
s7 = """
Щ 1234567890 quick brown foxes jumped over the lazy dog ш
"""
s8 = """
    з┬Й     
  Л┬м┴п─┬Ф  
й┬Ы┴я┬А ш┬Я 
 Э   З   ю  
"""
s9="""
 А┬д      ф┬Ж   
 м┴п┬Щ     ю┬Я  
    Ф       ц   
"""
print(a(s1))
print(a(s2))
print(a(s3))
print(a(s4))
print(a(s5))
print(a(s6))
print(a(s7))
print(a(s8))
print(a(s9))

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