-er -ic c-- ccc cce ccf cci ccn cco ccp ccr cct ce- cec cee cef cei cen ceo cep cer cet cfc cfe cff cfi cfn cfo cfp cfr cft ci- cic cie cif cii cin cio cip cir cit cn- cnc cne cnf cni cnn cno cnp cnr cnt co- coc coe cof coi con coo cop cor cot cpc cpe cpf cpi cpn cpo cpp cpr cpt crc cre crf cri crn cro crp crr crt ctc cte ctf cti ctn cto ctp ctr ctt ec- ecc ece ecf eci ecn eco ecr ect eec eee eef een eeo eep eer eet ef- efc efe eff efi efo efp efr eft eic eie eif eii ein eio eip eir eit en- enc ene enf eni enn eno enp enr ent eo- eoc eoe eof eoi eon eoo eop eor eot ep- epc epe epf epi epn epo epp epr ept erc ere erf eri ern ero erp err ert etc ete etf eti etn eto etp etr ett fcc fce fcf fci fcn fco fcp fcr fct fec fee fef fei fen feo fep fer fet ffc ffe fff ffi ffn ffo ffp ffr fft fic fie fif fii fin fip fir fit fnc fne fnf fni fnn fnp fnr fnt foc foe fof foi fon foo fop for fot fpc fpe fpi fpn fpo fpp fpr fpt frc fre frf fri frn fro frp frr frt ftc fte ftf fti ftn fto ftp ftr ftt i-f icc ice icf ici icn ico icp icr ict ie- iec iee ief iei ien iep ier iet ifc ife iff ifi ifn ifo ifp ifr ift iic iie iif iii iin iio iip iir iit in- inc ine inf ini inn ino inp inr int io- ioc ioe iof ioi ion ioo iop ior iot ipc ipe ipf ipi ipn ipo ipp ipr ipt ir- irc ire irf iri irn iro irp irr irt itc ite itf iti itn ito itp itt n-i ncc nce ncf nci ncn nco ncp ncr nct ne- nec nee nef nei nen neo nep ner net nfc nfe nff nfi nfn nfo nfp nfr nft nic nie nif nii nin nio nip nir nit nnc nne nnf nni nnn nno nnp nnt no- noc noe nof noi non noo nop nor not npc npe npf npi npn npo npp npr npt nrc nre nrf nri nrn nro nrp nrr nrt ntc nte ntf nti ntn nto ntp ntr ntt o-i oc- occ ocf oci ocn oco ocp ocr oct oec oee oef oei oen oeo oep oer oet of- ofc ofe off ofi ofn ofo ofp ofr oft oic oie oif oii oin oio oip oir oit on- onc one onf oni onn ono onp onr ont oo- ooc oof ooi oon ooo oop oor oot op- opc ope opf opi opn opo opp opr opt or- orc ore orf ori orn oro orp orr ort ot- otc ote otf oti otn oto otp otr ott p-p pcc pce pcf pci pcn pco pcp pcr pct pec pee pef pei pen peo pep per pet pfc pfe pff pfi pfn pfo pfp pfr pft pic pie pif pii pin pio pip pir pit pn- pnc pne pnf pni pnn pno pnp pnr pnt poc poe pof poi pon poo pop por pot ppc ppe ppf ppi ppn ppo ppp ppr ppt prc pre prf pri prn pro prp prr prt pt- ptc pte ptf pti ptn pto ptp ptr ptt rcc rce rcf rci rcn rco rcp rcr rct re- rec ree ref rei ren reo rep rer ret rfc rfe rff rfi rfn rfo rfp rfr rft ric rie rif rii rin rio rip rir rit rnc rni rnn rno rnp rnr rnt roc roe rof roi ron roo rop ror rot rpc rpe rpf rpi rpn rpo rpp rpr rpt rrc rrf rri rrn rrp rrr rrt rtc rte rtf rti rtn rto rtp rtr rtt tcc tce tcf tci tcn tco tcp tcr tct te- tec tee tef tei ten teo tep ter tet tfc tfe tff tfi tfn tfo tfp tfr tft tic tie tif tii tin tio tip tir tit tnc tne tnf tni tnn tno tnp tnr tnt to- toc toe tof toi ton too top tor tot tpc tpe tpf tpi tpn tpo tpp tpr tpt trc tre trf tri trn tro trp trr trt ttc tte ttf tti ttn tto ttp ttr ttt