k-t kkk kkp kks kkt kky kok koo kop kos kot kow koy kpk kpo kpp kps kpt kpw ksk kso ksp kss kst ksw ktk kto ktp kts ktt ktw kw- kwk kwo kwp kws kwt kww kyo kyp kys kyt kyw okk oko okp oks okw oo- ook ooo oop oos oot oow op- opk opo opp ops opt opw opy os- osk oso osp oss ost osw ot- otk oto otp ots ott otw owk owo owp ows owt oww oyo oys p-p pko pkp pks pkt pky pok poo pop pos pot pow poy ppk ppo ppp pps ppt ppw ps- psk pso psp pss pst psw psy pt- ptk pto ptp pts ptt ptw pty pwo pwp pws pwt py- pyk pyo pys pyt sk- skk sko skp sks skt skw sky sok soo sop sos sot sow soy spk spo spp sps spt spw spy ss- ssk sso ssp sss sst ssw stk sto stp sts stt stw sty swk swo swp sws swt swy sy- syk syp sys syt tkk tko tkp tks tkt tkw tky to- tok too top tos tot tow toy tpk tpo tpp tps tpt tpw tsk tso tsp tss tst tsw tsy ttk tto ttp tts ttt ttw tty two twp tws twt tww twy tyo typ tys tyt wko wkp wks wkt wkw wky wok woo wop wos wot wow woy wpk wpo wpp wps wpt wpy wsk wso wsp wss wst wsw wto wtp wts wtt wtw wwo wwp wwt www wy- wyk wyo wyp wys wyt ykk yok yoo yop yos yot yow yoy ypo yps ysk yso ysp yss yst ysy ytk yto ytp yts ytt yys yyt yyy