import sys


n = int(input())
clubNames = []
tmpname=[]
pcc = []
intervals = []
for i in range(n):
    tmpname += sys.stdin.readline().rstrip('\n')
    clubNames.append(tmpname)
    tmpname = []
    
pcc += sys.stdin.readline().rstrip('\n')

workClubNames = clubNames.copy()
for j in range(n):
    for pcccha in range(len(pcc)):
        
        for i in range(len(workClubNames[j])):
            if pcc[pcccha] == workClubNames[j][i]:
                if(workClubNames[j][0] != 0):
                    stindx = pcccha
                tmp = workClubNames[j]
                tmp.remove(workClubNames[j][i])
                tmp.append(0)
                tmp.reverse()
                workClubNames[j] = tmp
                if(clubNames[j][len(workClubNames[j])-1] == 0):
                    endindx = pcccha

        for i in range(len(clubNames[j])):
            save = False
            if clubNames[j][i] !=0:
                break
            else:
                save = True
        if save:
            workClubNames = clubNames.copy()
            interval = [stindx, endindx]
            dont = False
            for l in range(len(intervals)):
                if(interval == intervals[l]):
                    dont = True
                    break
            if(dont == False):
                intervals.append(interval)
        else:
            interval = []

        if interval:
            for i in range(len(pcc)-interval[1]-1):
                newinterval = [interval[0], interval[1]+i+1]
                dont = False
                for l in range(len(intervals)):
                    if(newinterval == intervals[l]):
                        dont = True
                        break
                if(dont == False):
                    intervals.append(newinterval)
            
            for i in range(interval[0]):
                newinterval = [interval[0]-i-1, interval[1]]
                intervals.append(newinterval)
                dont = False
                for l in range(len(intervals)):
                    if(newinterval == intervals[l]):
                        dont = True
                        break
                if(dont == False):
                    intervals.append(newinterval)

print(len(intervals))

exit(0)