iii iin iio iis iit iki ikk iko iks ikt in- ini ink inn ino ins int io- ioi ion ioo ios iot is- isi isk isn iso iss ist iti itk itn ito its itt k-t kii kik kin kio kis kit kki kkk kkn kks kkt kn- kni knk knn kno knt koi kok kon koo kos kot ksi ksk ksn kso kss kst ktk ktn kto kts ktt n-i nii nik nin nio nis nit nki nkk nkn nko nks nkt nni nnk nnn nno nns nnt no- noi nok non noo nos not nsi nsk nsn nso nss nst nti ntk ntn nto nts ntt o-i oii oik oin oio ois oit oki okk oko oks on- oni onk onn ono ons ont oo- ooi ook oon ooo oos oot os- osi osk osn oso oss ost ot- oti otk otn oto ots ott sii sik sin sio sis sit sk- ski skk sko sks skt sni snk snn sno sns snt soi sok son soo sos sot ss- ssi ssk ssn sso sss sst sti stk stn sto sts stt tii tik tin tio tis tit tkk tko tks tkt tni tnk tnn tno tns tnt to- toi tok ton too tos tot tsi tsk tsn tso tss tst tti ttk ttn tto tts ttt