-er -ic c-- ccc cce ccf cci cck ccn cco ccr cct ce- cec cee cef cei cek cen ceo cer cet cfc cfe cff cfi cfk cfn cfo cfr cft ci- cic cie cif cii cik cin cio cir cit ckc cki cko ckt cn- cnc cne cnf cni cnn cno cnr cnt co- coc coe cof coi cok con coo cor cot crc cre crf cri crk crn cro crr crt ctc cte ctf cti ctk ctn cto ctr ctt ec- ecc ece ecf eci eck ecn eco ecr ect eec eee eef eek een eeo eer eet ef- efc efe eff efi efo efr eft eic eie eif eii eik ein eio eir eit ekc eke ekf eki eko ekr ekt en- enc ene enf eni enk enn eno enr ent eo- eoc eoe eof eoi eok eon eoo eor eot erc ere erf eri erk ern ero err ert etc ete etf eti etk etn eto etr ett fcc fce fcf fci fck fcn fco fcr fct fec fee fef fei fek fen feo fer fet ffc ffe fff ffi ffk ffn ffo ffr fft fic fie fif fii fik fin fir fit fkc fkf fki fkk fkt fnc fne fnf fni fnk fnn fnr fnt foc foe fof foi fok fon foo for fot frc fre frf fri frk frn fro frr frt ftc fte ftf fti ftk ftn fto ftr ftt i-f icc ice icf ici ick icn ico icr ict ie- iec iee ief iei iek ien ier iet ifc ife iff ifi ifn ifo ifr ift iic iie iif iii iin iio iir iit ikc ike ikf iki ikk iko ikr ikt in- inc ine inf ini ink inn ino inr int io- ioc ioe iof ioi ion ioo ior iot ir- irc ire irf iri irk irn iro irr irt itc ite itf iti itk itn ito itt k-t kcc kce kci kck kcn kcr kct ke- kec kee kef kei kek ken keo ker ket kfc kff kfi kfo kic kie kif kii kik kin kio kir kit kkc kke kki kkk kkn kkr kkt kn- knc kne knf kni knk knn kno knr knt koc koe kof koi kok kon koo kor kot krc krf kri krk krn kro krr krt ktc kte ktf ktk ktn kto ktr ktt n-i ncc nce ncf nci nck ncn nco ncr nct ne- nec nee nef nei nek nen neo ner net nfc nfe nff nfi nfk nfn nfo nfr nft nic nie nif nii nik nin nio nir nit nkc nke nkf nki nkk nkn nko nkr nkt nnc nne nnf nni nnk nnn nno nnt no- noc noe nof noi nok non noo nor not nrc nre nrf nri nrk nrn nro nrr nrt ntc nte ntf nti ntk ntn nto ntr ntt o-i oc- occ ocf oci ock ocn oco ocr oct oec oee oef oei oen oeo oer oet of- ofc ofe off ofi ofn ofo ofr oft oic oie oif oii oik oin oio oir oit okc oke oki okk oko okr on- onc one onf oni onk onn ono onr ont oo- ooc oof ooi ook oon ooo oor oot or- orc ore orf ori ork orn oro orr ort ot- otc ote otf oti otk otn oto otr ott rcc rce rcf rci rcn rco rcr rct re- rec ree ref rei rek ren reo rer ret rfc rfe rff rfi rfk rfn rfo rfr rft ric rie rif rii rik rin rio rir rit rkc rke rkf rkk rko rkt rnc rni rnn rno rnr rnt roc roe rof roi rok ron roo ror rot rrc rrf rri rrk rrn rrr rrt rtc rte rtf rti rtk rtn rto rtr rtt tcc tce tcf tci tck tcn tco tcr tct te- tec tee tef tei tek ten teo ter tet tfc tfe tff tfi tfk tfn tfo tfr tft tic tie tif tii tik tin tio tir tit tkc tke tkk tko tkr tkt tnc tne tnf tni tnk tnn tno tnr tnt to- toc toe tof toi tok ton too tor tot trc tre trf tri trk trn tro trr trt ttc tte ttf tti ttk ttn tto ttr ttt