-up k-t kkk kkn kkp kks kkt kku kn- knk knn kno knp knt knu kok kon koo kop kos kot kou kpk kpn kpo kpp kps kpt kpu ksk ksn kso ksp kss kst ksu ktk ktn kto ktp kts ktt ktu kuk kun kup kus kut kuu nkk nkn nko nkp nks nkt nku nnk nnn nno nnp nns nnt nnu no- nok non noo nop nos not nou npn npo npp nps npt npu nsk nsn nso nsp nss nst nsu ntk ntn nto ntp nts ntt ntu nuk nun nuo nup nus nut nuu okk oko okp oks oku on- onk onn ono onp ons ont onu oo- ook oon ooo oop oos oot op- opk opn opo opp ops opt os- osk osn oso osp oss ost osu ot- otk otn oto otp ots ott otu ou- ouk oun ouo oup ous out p-p pkn pko pkp pks pkt pku pn- pnk pnn pno pnp pns pnt pnu pok pon poo pop pos pot pou ppk ppn ppo ppp pps ppt ppu ps- psk psn pso psp pss pst psu pt- ptk ptn pto ptp pts ptt ptu puk pun pup pus put puu sk- skk sko skp sks skt sku snk snn sno snp sns snt snu sok son soo sop sos sot sou spk spn spo spp sps spt spu ss- ssk ssn sso ssp sss sst ssu stk stn sto stp sts stt stu suk sun suo sup sus sut suu tkk tko tkp tks tkt tnk tnn tno tnp tns tnt to- tok ton too top tos tot tou tpk tpn tpo tpp tps tpt tpu tsk tsn tso tsp tss tst tsu ttk ttn tto ttp tts ttt ttu tuk tun tuo tup tus tut tuu ukk ukn ukp uku un- unk unn uno unp uns unt unu uok uon uoo uop uos uot up- upk upn upo upp ups upt upu usk usn uso usp uss ust usu utk utn uto utp uts utt utu uun uus uut uuu