1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0,a,one 1,b,two 2,c,three 3,d,four 4,e,five 5,f,six 6,g,seven 7,h,eight 8,i,nine 9,j,ten 10,k,eleven 11,l,twelve 12,m,thirteen 13,n,fourteen 14,o,fifteen