-er -ic -ol c-- ccc cce ccf cci ccl cco ccr ccu ce- cec cee cef cei cel ceo cer ceu cfc cfe cff cfi cfl cfo cfr cfu ci- cic cie cif cii cil cio cir ciu cl- clc cle clf cli cll clo clr clu co- coc coe cof coi col coo cor cou crc cre crf cri crl cro crr cru cuc cue cuf cui cul cuo cur cuu ec- ecc ece ecf eci ecl eco ecr ecu eec eee eef eel eeo eer ef- efc efe eff efi efl efo efr eic eie eif eii eil eio eir eiu elc ele elf eli ell elo elr elu eo- eoc eoe eof eoi eol eoo eor eou erc ere erf eri erl ero err eru eu- euc eue euf eui eul eur fcc fce fcf fci fcl fco fcr fcu fec fee fef fei fel feo fer feu ffc ffe fff ffi ffl ffo ffr ffu fic fie fif fii fil fir fiu flc fle flf fli fll flo flr flu foc foe fof foi fol foo for fou frc fre frf fri frl fro frr fru fue fuf fui ful fuo fur fuu i-f icc ice icf ici icl ico icr icu ie- iec iee ief iei iel ier ifc ife iff ifi ifl ifo ifr ifu iic iie iif iii iil iio iir iiu il- ilc ile ilf ili ill ilo ilr ilu io- ioc ioe iof ioi iol ioo ior iou ir- irc ire irf iri irl iro irr iru iu- iuc iue iui iur lcc lce lcf lci lcl lco lcr lcu lec lee lef lei lel leo ler leu lfc lfe lff lfi lfl lfo lfr lfu lic lie lif lii lil lio lir liu llc lle llf lli lll llo llr llu loc loe lof loi lol loo lor lou lrc lrf lri lro lrr lru luc lue luf lui lul luo lur luu o-i oc- occ ocf oci ocl oco ocr ocu oec oee oef oei oel oeo oer of- ofc ofe off ofi ofl ofo ofr ofu oic oie oif oii oil oio oir oiu olc ole olf oli oll olo olu oo- ooc oof ooi ool ooo oor or- orc ore orf ori orl oro orr oru ou- ouc oue ouf oui oul ouo our rcc rce rcf rci rcl rco rcr rcu re- rec ree ref rei rel reo rer reu rfc rfe rff rfi rfl rfo rfr rfu ric rie rif rii ril rio rir rlc rle rlf rli rll rlo rlr rlu roc roe rof roi rol roo ror rou rrc rrf rri rrl rrr rru ruc rue ruf rui ruo rur ruu ucc uce ucf uci ucl uco ucr ucu uec uee uef uei uel uer ufc ufe uff ufi ufl ufo ufr ufu uic uie uif uii uil uio uir uiu ulc ule ulf uli ull ulo ulr ulu uoc uoe uol uoo uor ur- urc ure urf uri url uro urr uru uuc uue uur uuu