-ol eee eek eel eeo eep ees eet eke ekl eko ekp eks ekt ele elk ell elo elp els elt eo- eoe eok eol eoo eop eos eot ep- epe epl epo epp eps ept es- ese esk esl eso esp ess est ete etk etl eto etp ets ett k-t ke- kee kek kel keo kep kes ket kke kkk kkl kkp kks kkt kl- klo kls klt koe kok kol koo kop kos kot kpe kpk kpl kpo kpp kps kpt kse ksk ksl kso ksp kss kst kte ktk ktl kto ktp kts ktt l-p lee lek lel leo lep les let lkl lkp lks lkt lle llk lll llo llp lls llt loe lok lol loo lop los lot lpe lpk lpl lpo lpp lps lpt lse lsk lsl lso lsp lss lst lte ltk ltl lto ltp lts ltt oee oel oeo oep oes oet oke okk okl oko okp oks ole olk oll olo olp ols olt oo- ook ool ooo oop oos oot op- ope opk opl opo opp ops opt os- ose osk osl oso osp oss ost ot- ote otk otl oto otp ots ott p-p pee pek pel peo pep pes pet pke pkl pko pkp pks pkt ple plk pll plo plp pls plt poe pok pol poo pop pos pot ppe ppk ppl ppo ppp pps ppt ps- pse psk psl pso psp pss pst pt- pte ptk ptl pto ptp pts ptt se- see sek sel seo sep ses set sk- ske skk skl sko skp sks skt sle slk sll slo slp sls slt soe sok sol soo sop sos sot spe spk spl spo spp sps spt ss- sse ssk ssl sso ssp sss sst ste stk stl sto stp sts stt te- tee tek tel teo tep tes tet tke tkk tkl tko tkp tks tkt tle tlk tll tlo tlp tls tlt to- toe tok tol too top tos tot tpe tpk tpl tpo tpp tps tpt tse tsk tsl tso tsp tss tst tte ttk ttl tto ttp tts ttt