-er -ol eee eef eek eel eeo eer eet ef- efe eff efl efo efr eft eke ekf ekl eko ekr ekt eku ele elf elk ell elo elr elt elu eo- eoe eof eok eol eoo eor eot eou ere erf erk erl ero err ert eru ete etf etk etl eto etr ett etu eu- eue euf eul eur eut fee fef fek fel feo fer fet feu ffe fff ffk ffl ffo ffr fft ffu fkf fkk fkl fkt fle flf fll flo flr flt flu foe fof fok fol foo for fot fou fre frf frk frl fro frr frt fru fte ftf ftk ftl fto ftr ftt ftu fue fuf fuk ful fuo fur fut fuu k-t ke- kee kef kek kel keo ker ket kff kfo kfu kke kkk kkl kkr kkt kku kl- klf klo klr klt klu koe kof kok kol koo kor kot kou krf krk krl kro krr krt kru kte ktf ktk ktl kto ktr ktt ktu kue kuk kul kur kut kuu lee lef lek lel leo ler let leu lfe lff lfk lfl lfo lfr lft lfu lkl lkr lkt lle llf llk lll llo llr llt llu loe lof lok lol loo lor lot lou lrf lrk lro lrr lrt lru lte ltf ltk ltl lto ltr ltt ltu lue luf luk lul luo lur lut luu oee oef oel oeo oer oet of- ofe off ofl ofo ofr oft ofu oke okk okl oko okr oku ole olf olk oll olo olt olu oo- oof ook ool ooo oor oot or- ore orf ork orl oro orr ort oru ot- ote otf otk otl oto otr ott otu ou- oue ouf ouk oul ouo our out re- ree ref rek rel reo rer ret reu rfe rff rfk rfl rfo rfr rft rfu rke rkf rkk rko rkt rku rle rlf rll rlo rlr rlt rlu roe rof rok rol roo ror rot rou rrf rrk rrl rrr rrt rru rte rtf rtk rtl rto rtr rtt rtu rue ruf ruk ruo rur rut ruu te- tee tef tek tel teo ter tet teu tfe tff tfk tfl tfo tfr tft tfu tke tkk tkl tko tkr tkt tle tlf tlk tll tlo tlr tlt tlu to- toe tof tok tol too tor tot tou tre trf trk trl tro trr trt tru tte ttf ttk ttl tto ttr ttt ttu tue tuf tuk tul tuo tur tut tuu uee uef uel uer uet ufe uff ufl ufo ufr uft ufu uke ukf ukk ukl ukr uku ule ulf ulk ull ulo ulr ult ulu uoe uok uol uoo uor uot ur- ure urf urk url uro urr urt uru ute utf utk utl uto utr utt utu uue uur uut uuu