A = int(input())
B = int(input())
max_passwords_count = int(input())
flag = False
passwords_count = 0
while passwords_count < max_passwords_count:
for a in range(35, 56):
if a == 55:
a = 35
for b in range(64, 97):
if b == 96:
b = 64
for x in range(1, A + 1):
for y in range(1, B + 1):
print(f"{chr(a)}{chr(b)}{x}{y}{chr(b)}{chr(a)}", end="|")
a += 1
b += 1
x += 1
y += 1
passwords_count += 1
flag = True
break
if flag:
break
if flag:
break
if flag:
break
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}