-th hhh hhk hhn hho hht hhw hkh hkk hkn hko hkt hkw hnh hnk hnn hno hnt hnw hoh hok hon hoo hot how hth htk htn hto htt htw hw- hwk hwn hwo hwt hww k-t khh khk khn kho kkh kkk kkn kkt kn- knk knn kno knt koh kok kon koo kot kow kth ktk ktn kto ktt ktw kw- kwh kwk kwo kwt kww nhh nhk nhn nht nkk nkn nko nkt nnh nnk nnn nno nnt nnw no- noh nok non noo not now nth ntk ntn nto ntt nwn nwo nwt ohh ohn oho oht okk oko okw on- onh onk onn ono ont oo- ooh ook oon ooo oot oow ot- oth otk otn oto ott otw owh owk own owo owt oww th- thh thk thn tho tht thw tkk tko tkt tkw tnh tnk tnn tno tnt tnw to- toh tok ton too tot tow tth ttk ttn tto ttt ttw twh twn two twt tww wh- whh whk who wht whw wko wkt wkw wn- wnn wno wnt wnw woh wok won woo wot wow wth wtn wto wtt wtw wwn wwo wwt www