-ol eee eef eek eel eeo eep ees eet ef- efe eff efl efo efp efs eft eke ekf ekl eko ekp eks ekt ele elf elk ell elo elp els elt eo- eoe eof eok eol eoo eop eos eot ep- epe epf epl epo epp eps ept es- ese esf esk esl eso esp ess est ete etf etk etl eto etp ets ett fee fef fek fel feo fep fes fet ffe fff ffk ffl ffo ffp ffs fft fkf fkk fkl fkp fkt fle flf fll flo flp fls flt foe fof fok fol foo fop fos fot fpe fpk fpl fpo fpp fps fpt fse fsf fsk fsl fso fsp fss fst fte ftf ftk ftl fto ftp fts ftt k-t ke- kee kef kek kel keo kep kes ket kff kfo kfs kke kkk kkl kkp kks kkt kl- klf klo kls klt koe kof kok kol koo kop kos kot kpe kpf kpk kpl kpo kpp kps kpt kse ksf ksk ksl kso ksp kss kst kte ktf ktk ktl kto ktp kts ktt l-p lee lef lek lel leo lep les let lfe lff lfk lfl lfo lfp lfs lft lkl lkp lks lkt lle llf llk lll llo llp lls llt loe lof lok lol loo lop los lot lpe lpf lpk lpl lpo lpp lps lpt lse lsf lsk lsl lso lsp lss lst lte ltf ltk ltl lto ltp lts ltt oee oef oel oeo oep oes oet of- ofe off ofl ofo ofp ofs oft oke okk okl oko okp oks ole olf olk oll olo olp ols olt oo- oof ook ool ooo oop oos oot op- ope opf opk opl opo opp ops opt os- ose osf osk osl oso osp oss ost ot- ote otf otk otl oto otp ots ott p-p pee pef pek pel peo pep pes pet pfe pff pfk pfl pfo pfp pfs pft pke pkf pkl pko pkp pks pkt ple plf plk pll plo plp pls plt poe pof pok pol poo pop pos pot ppe ppf ppk ppl ppo ppp pps ppt ps- pse psf psk psl pso psp pss pst pt- pte ptf ptk ptl pto ptp pts ptt se- see sef sek sel seo sep ses set sfe sff sfk sfl sfo sfp sfs sft sk- ske skf skk skl sko skp sks skt sle slf slk sll slo slp sls slt soe sof sok sol soo sop sos sot spe spf spk spl spo spp sps spt ss- sse ssf ssk ssl sso ssp sss sst ste stf stk stl sto stp sts stt te- tee tef tek tel teo tep tes tet tfe tff tfk tfl tfo tfp tfs tft tke tkk tkl tko tkp tks tkt tle tlf tlk tll tlo tlp tls tlt to- toe tof tok tol too top tos tot tpe tpf tpk tpl tpo tpp tps tpt tse tsf tsk tsl tso tsp tss tst tte ttf ttk ttl tto ttp tts ttt