-er -ic c-- ccc cce ccf cci cco ccr cct ccu ce- cec cee cef cei ceo cer cet ceu cfc cfe cff cfi cfo cfr cft cfu ci- cic cie cif cii cio cir cit ciu co- coc coe cof coi coo cor cot cou crc cre crf cri cro crr crt cru ctc cte ctf cti cto ctr ctt ctu cuc cue cuf cui cuo cur cut cuu ec- ecc ece ecf eci eco ecr ect ecu eec eee eef eeo eer eet ef- efc efe eff efi efo efr eft eic eie eif eii eio eir eit eiu eo- eoc eoe eof eoi eoo eor eot eou erc ere erf eri ero err ert eru etc ete etf eti eto etr ett etu eu- euc eue euf eui eur eut fcc fce fcf fci fco fcr fct fcu fec fee fef fei feo fer fet feu ffc ffe fff ffi ffo ffr fft ffu fic fie fif fii fir fit fiu foc foe fof foi foo for fot fou frc fre frf fri fro frr frt fru ftc fte ftf fti fto ftr ftt ftu fue fuf fui fuo fur fut fuu i-f icc ice icf ici ico icr ict icu ie- iec iee ief iei ier iet ifc ife iff ifi ifo ifr ift ifu iic iie iif iii iio iir iit iiu io- ioc ioe iof ioi ioo ior iot iou ir- irc ire irf iri iro irr irt iru itc ite itf iti ito itt itu iu- iuc iue iui iur iut o-i oc- occ ocf oci oco ocr oct ocu oec oee oef oei oeo oer oet of- ofc ofe off ofi ofo ofr oft ofu oic oie oif oii oio oir oit oiu oo- ooc oof ooi ooo oor oot or- orc ore orf ori oro orr ort oru ot- otc ote otf oti oto otr ott otu ou- ouc oue ouf oui ouo our out rcc rce rcf rci rco rcr rct rcu re- rec ree ref rei reo rer ret reu rfc rfe rff rfi rfo rfr rft rfu ric rie rif rii rio rir rit roc roe rof roi roo ror rot rou rrc rrf rri rrr rrt rru rtc rte rtf rti rto rtr rtt rtu ruc rue ruf rui ruo rur rut ruu tcc tce tcf tci tco tcr tct tcu te- tec tee tef tei teo ter tet teu tfc tfe tff tfi tfo tfr tft tfu tic tie tif tii tio tir tit tiu to- toc toe tof toi too tor tot tou trc tre trf tri tro trr trt tru ttc tte ttf tti tto ttr ttt ttu tuc tue tuf tui tuo tur tut tuu ucc uce ucf uci uco ucr uct ucu uec uee uef uei uer uet ufc ufe uff ufi ufo ufr uft ufu uic uie uif uii uio uir uit uiu uoc uoe uoo uor uot ur- urc ure urf uri uro urr urt uru utc ute utf uti uto utr utt utu uuc uue uur uut uuu