-er -th eee eef eek eeo eep eer ees eet ef- efe eff efh efo efp efr efs eft ehe ehf ehh eho ehp ehr ehs eht eke ekf ekh eko ekp ekr eks ekt eo- eoe eof eoh eok eoo eop eor eos eot ep- epe epf eph epo epp epr eps ept ere erf erh erk ero erp err ers ert es- ese esf esh esk eso esp esr ess est ete etf eth etk eto etp etr ets ett fee fef feh fek feo fep fer fes fet ffe fff ffh ffk ffo ffp ffr ffs fft fhe fhf fhh fho fhp fhr fhs fkf fkk fkp fkt foe fof foh fok foo fop for fos fot fpe fph fpk fpo fpp fpr fps fpt fre frf frh frk fro frp frr frs frt fse fsf fsh fsk fso fsp fsr fss fst fte ftf fth ftk fto ftp ftr fts ftt he- hee hef heh hek heo hep her hes het hfe hff hfh hfk hfo hfp hfr hfs hft hhe hhf hhh hhk hho hhp hhr hhs hht hkf hkh hkk hko hkp hkr hks hkt hoe hof hoh hok hoo hop hor hos hot hpe hpf hph hpk hpo hpp hpr hps hpt hr- hre hrf hrh hrk hro hrp hrr hrs hrt hse hsf hsh hsk hsp hsr hss hst hte htf hth htk hto htp htr hts htt k-t ke- kee kef keh kek keo kep ker kes ket kff kfh kfo kfs khe khf khh khk kho khr khs kke kkh kkk kkp kkr kks kkt koe kof koh kok koo kop kor kos kot kpe kpf kph kpk kpo kpp kpr kps kpt krf krk kro krp krr krs krt kse ksf ksh ksk kso ksp ksr kss kst kte ktf kth ktk kto ktp ktr kts ktt oee oef oeh oeo oep oer oes oet of- ofe off ofo ofp ofr ofs oft ohe ohf ohh oho ohp ohr ohs oht oke okk oko okp okr oks oo- oof ooh ook ooo oop oor oos oot op- ope opf oph opk opo opp opr ops opt or- ore orf orh ork oro orp orr ors ort os- ose osf osh osk oso osp osr oss ost ot- ote otf oth otk oto otp otr ots ott p-p pee pef peh pek peo pep per pes pet pfe pff pfk pfo pfp pfr pfs pft phe phf phk pho php phr phs pht pke pkf pko pkp pkr pks pkt poe pof poh pok poo pop por pos pot ppe ppf pph ppk ppo ppp ppr pps ppt pre prf prh prk pro prp prr prs prt ps- pse psf psh psk pso psp psr pss pst pt- pte ptf pth ptk pto ptp ptr pts ptt re- ree ref reh rek reo rep rer res ret rfe rff rfh rfk rfo rfp rfr rfs rft rh- rhe rhf rhh rho rhp rhr rhs rht rke rkf rkk rko rkp rks rkt roe rof roh rok roo rop ror ros rot rpe rpf rph rpk rpo rpp rpr rps rpt rrf rrh rrk rrp rrr rrs rrt rse rsf rsh rsk rso rsp rsr rss rst rte rtf rtk rto rtp rtr rts rtt se- see sef seh sek seo sep ser ses set sfe sff sfh sfk sfo sfp sfr sfs sft sh- she shf shh shk sho shp shr shs sht sk- ske skf skh skk sko skp skr sks skt soe sof soh sok soo sop sor sos sot spe spf sph spk spo spp spr sps spt sr- sre srf srh srk sro srp srr srs srt ss- sse ssf ssh ssk sso ssp ssr sss sst ste stf sth stk sto stp str sts stt te- tee tef teh tek teo tep ter tes tet tfe tff tfh tfk tfo tfp tfr tfs tft th- the thf thh thk tho thp thr ths tht tke tkk tko tkp tkr tks tkt to- toe tof toh tok too top tor tos tot tpe tpf tph tpk tpo tpp tpr tps tpt tre trf trh trk tro trp trr trs trt tse tsf tsh tsk tso tsp tsr tss tst tte ttf tth ttk tto ttp ttr tts ttt