-er -ol c-- ccc cce ccf cck ccl cco ccr cct ccu ce- cec cee cef cek cel ceo cer cet ceu cfc cfe cff cfk cfl cfo cfr cft cfu ckc cko ckt cl- clc cle clf clk cll clo clr clt clu co- coc coe cof cok col coo cor cot cou crc cre crf crk crl cro crr crt cru ctc cte ctf ctk ctl cto ctr ctt ctu cuc cue cuf cuk cul cuo cur cut cuu ec- ecc ece ecf eck ecl eco ecr ect ecu eec eee eef eek eel eeo eer eet ef- efc efe eff efl efo efr eft ekc eke ekf ekl eko ekr ekt eku elc ele elf elk ell elo elr elt elu eo- eoc eoe eof eok eol eoo eor eot eou erc ere erf erk erl ero err ert eru etc ete etf etk etl eto etr ett etu eu- euc eue euf eul eur eut fcc fce fcf fck fcl fco fcr fct fcu fec fee fef fek fel feo fer fet feu ffc ffe fff ffk ffl ffo ffr fft ffu fkc fkf fkk fkl fkt flc fle flf fll flo flr flt flu foc foe fof fok fol foo for fot fou frc fre frf frk frl fro frr frt fru ftc fte ftf ftk ftl fto ftr ftt ftu fue fuf fuk ful fuo fur fut fuu k-t kcc kce kck kcl kcr kct kcu ke- kec kee kef kek kel keo ker ket kfc kff kfo kfu kkc kke kkk kkl kkr kkt kku kl- klc klf klo klr klt klu koc koe kof kok kol koo kor kot kou krc krf krk krl kro krr krt kru ktc kte ktf ktk ktl kto ktr ktt ktu kuc kue kuk kul kur kut kuu lcc lce lcf lck lcl lco lcr lct lcu lec lee lef lek lel leo ler let leu lfc lfe lff lfk lfl lfo lfr lft lfu lkl lkr lkt llc lle llf llk lll llo llr llt llu loc loe lof lok lol loo lor lot lou lrc lrf lrk lro lrr lrt lru ltc lte ltf ltk ltl lto ltr ltt ltu luc lue luf luk lul luo lur lut luu oc- occ ocf ock ocl oco ocr oct ocu oec oee oef oel oeo oer oet of- ofc ofe off ofl ofo ofr oft ofu okc oke okk okl oko okr oku olc ole olf olk oll olo olt olu oo- ooc oof ook ool ooo oor oot or- orc ore orf ork orl oro orr ort oru ot- otc ote otf otk otl oto otr ott otu ou- ouc oue ouf ouk oul ouo our out rcc rce rcf rcl rco rcr rct rcu re- rec ree ref rek rel reo rer ret reu rfc rfe rff rfk rfl rfo rfr rft rfu rkc rke rkf rkk rko rkt rku rlc rle rlf rll rlo rlr rlt rlu roc roe rof rok rol roo ror rot rou rrc rrf rrk rrl rrr rrt rru rtc rte rtf rtk rtl rto rtr rtt rtu ruc rue ruf ruk ruo rur rut ruu tcc tce tcf tck tcl tco tcr tct tcu te- tec tee tef tek tel teo ter tet teu tfc tfe tff tfk tfl tfo tfr tft tfu tkc tke tkk tkl tko tkr tkt tlc tle tlf tlk tll tlo tlr tlt tlu to- toc toe tof tok tol too tor tot tou trc tre trf trk trl tro trr trt tru ttc tte ttf ttk ttl tto ttr ttt ttu tuc tue tuf tuk tul tuo tur tut tuu ucc uce ucf uck ucl uco ucr uct ucu uec uee uef uel uer uet ufc ufe uff ufl ufo ufr uft ufu ukc uke ukf ukk ukl ukr uku ulc ule ulf ulk ull ulo ulr ult ulu uoc uoe uok uol uoo uor uot ur- urc ure urf urk url uro urr urt uru utc ute utf utk utl uto utr utt utu uuc uue uur uut uuu