-er c-- ccc cce ccf ccl ccr cct ccu ce- cec cee cef cel cer cet ceu cfc cfe cff cfl cfr cft cfu cl- clc cle clf cll clr clt clu crc cre crf crl crr crt cru ctc cte ctf ctl ctr ctt ctu cuc cue cuf cul cur cut cuu ec- ecc ece ecf ecl ecr ect ecu eec eee eef eel eer eet ef- efc efe eff efl efr eft elc ele elf ell elr elt elu erc ere erf erl err ert eru etc ete etf etl etr ett etu eu- euc eue euf eul eur eut fcc fce fcf fcl fcr fct fcu fec fee fef fel fer fet feu ffc ffe fff ffl ffr fft ffu flc fle flf fll flr flt flu frc fre frf frl frr frt fru ftc fte ftf ftl ftr ftt ftu fue fuf ful fur fut fuu lcc lce lcf lcl lcr lct lcu lec lee lef lel ler let leu lfc lfe lff lfl lfr lft lfu llc lle llf lll llr llt llu lrc lrf lrr lrt lru ltc lte ltf ltl ltr ltt ltu luc lue luf lul lur lut luu rcc rce rcf rcl rcr rct rcu re- rec ree ref rel rer ret reu rfc rfe rff rfl rfr rft rfu rlc rle rlf rll rlr rlt rlu rrc rrf rrl rrr rrt rru rtc rte rtf rtl rtr rtt rtu ruc rue ruf rur rut ruu tcc tce tcf tcl tcr tct tcu te- tec tee tef tel ter tet teu tfc tfe tff tfl tfr tft tfu tlc tle tlf tll tlr tlt tlu trc tre trf trl trr trt tru ttc tte ttf ttl ttr ttt ttu tuc tue tuf tul tur tut tuu ucc uce ucf ucl ucr uct ucu uec uee uef uel uer uet ufc ufe uff ufl ufr uft ufu ulc ule ulf ull ulr ult ulu ur- urc ure urf url urr urt uru utc ute utf utl utr utt utu uuc uue uur uut uuu