import string
zz = string.split("a ai an ang ao ba bai ban bang bao bei ben beng bi
bian biao bie bin bing bo bu ca \
cai can cang cao ce cen ceng cha chai chan chang chao che chen cheng
chi chong chou chu chuai chuan \
chuang chui chun chuo ci cong cou cu cuan cui cun cuo da dai dan dang
dao de dei deng di dia dian diao \
import string
zz = string.split("a ai an ang ao ba bai ban bang bao bei ben beng bi
bian biao bie bin bing bo bu ca \
cai can cang cao ce cen ceng cha chai chan chang chao che chen cheng
chi chong chou chu chuai chuan \
chuang chui chun chuo ci cong cou cu cuan cui cun cuo da dai dan dang
dao de dei deng di dia dian diao \
die ding diu dong dou du duan dui dun duo e ei en er fa fan fang fei
fen feng fo fou fu ga gai gan gang \
gao ge gei gen geng gong gou gu gua guai guan guang gui gun guo ha hai
han hang hao he hei hen heng hong \
hou hu hua huai huan huang hui hun huo ji jia jian jiang jiao jie jin
jing jiong jiu ju juan jue jun ka kai \
kan kang kao ke ken keng kong kou ku kua kuai kuan kuang kui kun kuo
la lai lan lang lao le lei leng li \
lia lian liang liao lie lin ling liu lo long lou lu lv lve luan lun
luo m ma mai man mang mao me mei men \
meng mi mian miao mie min ming miu mo mou mu na nai nan nang nao ne
nei nen neng ng ni nian niang niao nie \
nin ning niu nong nou nu nv nve nuan nuo o ou pa pai pan pang pao pei
pen peng pi pian piao pie pin ping po \
pou pu qi qia qian qiang qiao qie qin qing qiong qiu qu quan que qui
qun ran rang rao re ren reng ri rong rou \
ru ruan rui run ruo sa sai san sang sao se sen seng sha shai shan
shang shao she shei shen sheng shi shou shu \
shua shuai shuan shuang shui shun shuo si song sou su suan sui sun suo
ta tai tan tang tao te teng ti tian tiao \
tie ting tong tou tu tuan tui tun tuo wa wai wan wang wei wen weng wo
wu xi xia xian xiang xiao xie xin xing \
xiong xiu xu xuan xue xun ya yan yang yao ye yi yin ying yo yong you
yu yuan yue yun za zai zan zang zao ze zei \
zen zeng zha zhai zhan zhang zhao zhe zhen zheng zhi zhong zhou zhu
zhua zhuai zhuan zhuang zhui zhun zhuo zi \
ong zou zu zuan zui zun zuo")
i=0
zzzz = []
for aa in zz:
for bb in zz:
i+=1
zzzz.append(aa+bb)
print len(zzzz)
#for zzi in zzzz: print zzi