t0="dawn";
t1="dusk";
t2="sunrise";
t3="sunset";
t4="sky";
t5="peak";
t6="summit";
t7="slope";
t8="valley";
t9="small valley";
t10="hilly";
t11="ridge";
t12="spring";
t13="source (of river)";
t14="mouth (of river)";
t15="bank";
t16="dam";
t17="jungle";
t18="rain forest";
t19="swamp";
t20="glacier";
t21="meadow";
t22="plain";
note="X";
total=23;