iii iin iio iis iiw iki ikk iko iks in- ini ink inn ino ins io- ioi ion ioo ios iow is- isi isk isn iso iss isw iwi iwk iwo iws iww kii kik kin kio kis kki kkk kkn kks kn- kni knk knn kno koi kok kon koo kos kow ksi ksk ksn kso kss ksw kw- kwi kwk kwo kws kww n-i nii nik nin nio nis nki nkk nkn nko nks nni nnk nnn nno nns nnw no- noi nok non noo nos now nsi nsk nsn nso nss nsw nwi nwn nwo nws o-i oii oik oin oio ois oki okk oko oks okw on- oni onk onn ono ons oo- ooi ook oon ooo oos oow os- osi osk osn oso oss osw owi owk own owo ows oww sii sik sin sio sis siw sk- ski skk sko sks skw sni snk snn sno sns snw soi sok son soo sos sow ss- ssi ssk ssn sso sss ssw swi swk swn swo sws wii wik win wis wko wks wkw wn- wnn wno wns wnw woi wok won woo wos wow wsi wsk wsn wso wss wsw wwi wwn wwo www