-up kkk kkn kkp kks kku kn- knk knn kno knp knu kok kon koo kop kos kou kpk kpn kpo kpp kps kpu ksk ksn kso ksp kss ksu kuk kun kup kus kuu nkk nkn nko nkp nks nku nnk nnn nno nnp nns nnu no- nok non noo nop nos nou npn npo npp nps npu nsk nsn nso nsp nss nsu nuk nun nuo nup nus nuu okk oko okp oks oku on- onk onn ono onp ons onu oo- ook oon ooo oop oos op- opk opn opo opp ops os- osk osn oso osp oss osu ou- ouk oun ouo oup ous p-p pkn pko pkp pks pku pn- pnk pnn pno pnp pns pnu pok pon poo pop pos pou ppk ppn ppo ppp pps ppu ps- psk psn pso psp pss psu puk pun pup pus puu sk- skk sko skp sks sku snk snn sno snp sns snu sok son soo sop sos sou spk spn spo spp sps spu ss- ssk ssn sso ssp sss ssu suk sun suo sup sus suu ukk ukn ukp uku un- unk unn uno unp uns unu uok uon uoo uop uos up- upk upn upo upp ups upu usk usn uso usp uss usu uun uus uuu