-up eee eek eeo eep ees eet eke eko ekp eks ekt eku eo- eoe eok eoo eop eos eot eou ep- epe epo epp eps ept epu es- ese esk eso esp ess est esu ete etk eto etp ets ett etu eu- eue eup eus eut k-t ke- kee kek keo kep kes ket kke kkk kkp kks kkt kku koe kok koo kop kos kot kou kpe kpk kpo kpp kps kpt kpu kse ksk kso ksp kss kst ksu kte ktk kto ktp kts ktt ktu kue kuk kup kus kut kuu oee oeo oep oes oet oke okk oko okp oks oku oo- ook ooo oop oos oot op- ope opk opo opp ops opt os- ose osk oso osp oss ost osu ot- ote otk oto otp ots ott otu ou- oue ouk ouo oup ous out p-p pee pek peo pep pes pet peu pke pko pkp pks pkt pku poe pok poo pop pos pot pou ppe ppk ppo ppp pps ppt ppu ps- pse psk pso psp pss pst psu pt- pte ptk pto ptp pts ptt ptu pue puk pup pus put puu se- see sek seo sep ses set seu sk- ske skk sko skp sks skt sku soe sok soo sop sos sot sou spe spk spo spp sps spt spu ss- sse ssk sso ssp sss sst ssu ste stk sto stp sts stt stu sue suk suo sup sus sut suu te- tee tek teo tep tes tet teu tke tkk tko tkp tks tkt to- toe tok too top tos tot tou tpe tpk tpo tpp tps tpt tpu tse tsk tso tsp tss tst tsu tte ttk tto ttp tts ttt ttu tue tuk tuo tup tus tut tuu uee uep ues uet uke ukk ukp uku uoe uok uoo uop uos uot up- upe upk upo upp ups upt upu use usk uso usp uss ust usu ute utk uto utp uts utt utu uue uus uut uuu