-ey c-- ccc cce cck cco ccp ccs cct ce- cec cee cek ceo cep ces cet cey ckc cko cks ckt cky co- coc coe cok coo cop cos cot coy cpc cpe cpk cpo cpp cps cpt csc cse csk cso csp css cst csy ctc cte ctk cto ctp cts ctt cty cyc cye cyk cyo cyp cys cyt ec- ecc ece eck eco ecs ect eec eee eek eeo eep ees eet eey ekc eke eko ekp eks ekt eky eo- eoc eoe eok eoo eop eos eot ep- epc epe epo epp eps ept es- esc ese esk eso esp ess est esy etc ete etk eto etp ets ett ety eyc eye eyo eyp eys eyt k-t kcc kce kck kcp kcs kct ke- kec kee kek keo kep kes ket key kkc kke kkk kkp kks kkt kky koc koe kok koo kop kos kot koy kpc kpe kpk kpo kpp kps kpt ksc kse ksk kso ksp kss kst ktc kte ktk kto ktp kts ktt kyc kye kyo kyp kys kyt oc- occ ock oco ocp ocs oct oec oee oeo oep oes oet oey okc oke okk oko okp oks oo- ooc ook ooo oop oos oot op- opc ope opk opo opp ops opt opy os- osc ose osk oso osp oss ost ot- otc ote otk oto otp ots ott oye oyo oys p-p pcc pce pck pco pcp pcs pct pec pee pek peo pep pes pet pey pkc pke pko pkp pks pkt pky poc poe pok poo pop pos pot poy ppc ppe ppk ppo ppp pps ppt ps- psc pse psk pso psp pss pst psy pt- ptc pte ptk pto ptp pts ptt pty py- pyc pye pyk pyo pys pyt scc sce sck sco scp scs sct se- sec see sek seo sep ses set sey sk- skc ske skk sko skp sks skt sky soc soe sok soo sop sos sot soy spc spe spk spo spp sps spt spy ss- ssc sse ssk sso ssp sss sst stc ste stk sto stp sts stt sty sy- syc sye syk syp sys syt tcc tce tck tco tcp tcs tct te- tec tee tek teo tep tes tet tey tkc tke tkk tko tkp tks tkt tky to- toc toe tok too top tos tot toy tpc tpe tpk tpo tpp tps tpt tsc tse tsk tso tsp tss tst tsy ttc tte ttk tto ttp tts ttt tty tyc tye tyo typ tys tyt ycc yce yco ycp ycs ycy yec yee yek yeo yep yes yet yey ykk yoc yoe yok yoo yop yos yot yoy ypo yps ysc yse ysk yso ysp yss yst ysy ytc yte ytk yto ytp yts ytt yyc yye yys yyt yyy