-er -ic -ji c-- c-j ccc cce ccf ccg cci ccj ccn cco ccr ccs ce- cec cee cef ceg cei cej cen ceo cer ces cfc cfe cff cfg cfi cfn cfo cfr cfs cgc cge cgg cgi cgn cgo cgr cgs ci- cic cie cif cig cii cij cin cio cir cis cjc cjf cjg cjr cjs cn- cnc cne cnf cng cni cnj cnn cno cnr cns co- coc coe cof cog coi coj con coo cor cos crc cre crf crg cri crj crn cro crr crs csc cse csf csg csi csj csn cso csr css ec- ecc ece ecf ecg eci ecj ecn eco ecr ecs eec eee eef eeg een eeo eer ees ef- efc efe eff efg efi efo efr efs egc ege egf egg egi egn ego egr egs eic eie eif eig eii eij ein eio eir eis ejc ejf eji ejo en- enc ene enf eng eni enn eno enr ens eo- eoc eoe eof eog eoi eon eoo eor eos erc ere erf erg eri ern ero err ers es- esc ese esf esg esi esn eso esr ess fcc fce fcf fcg fci fcj fcn fco fcr fcs fec fee fef feg fei fen feo fer fes ffc ffe fff ffg ffi ffn ffo ffr ffs fgc fge fgf fgg fgi fgn fgr fgs fic fie fif fig fii fij fin fir fis fjc fjg fji fjs fnc fne fnf fng fni fnj fnn fnr fns foc foe fof fog foi fon foo for fos frc fre frf frg fri frj frn fro frr frs fsc fse fsf fsg fsi fsj fsn fso fsr fss gcc gce gcf gcg gci gcn gco gcr gcs ge- gec gee gef geg gei gen geo ger ges gfc gfe gff gfi gfo gfr gfs ggc ggg ggi ggj ggn ggo ggr ggs gic gie gif gig gii gij gin gio gir gis gjc gje gjg gjr gnc gne gnf gni gnn gno gnr gns goc goe gof gog goi gon goo gor gos grc gre grf grg gri grj grn gro grr grs gsc gse gsf gsg gsi gsj gsn gso gsr gss i-f icc ice icf icg ici icj icn ico icr ics ie- iec iee ief ieg iei iej ien ier ies ifc ife iff ifg ifi ifn ifo ifr ifs igc ige igf igg igi ign igo igr igs iic iie iif iii iij iin iio iir iis ijc ije ijf ijg iji ijn ijo ijs in- inc ine inf ing ini inj inn ino inr ins io- ioc ioe iof iog ioi ioj ion ioo ior ios ir- irc ire irf irg iri irj irn iro irr irs is- isc ise isf isg isi isj isn iso isr iss j-i jcc jce jcf jci jco jcr jcs jec jee jef jeg jei jej jen jeo jer jes jfc jfe jff jfg jfi jfj jfo jfr jfs jge jgi jgn jgo jgr jgs jic jie jif jig jii jij jin jio jir jis jjc jjf jjg jjj jjr jjs jnc jne jnf jng jnj jnn jno jnr jns joc joe jof jog joi joj jon joo jor jos jrc jrf jrg jri jrn jro jrr jrs jsc jse jsf jsg jsi jsj jsn jso jsr jss n-i ncc nce ncf ncg nci ncn nco ncr ncs ne- nec nee nef neg nei nej nen neo ner nes nfc nfe nff nfi nfn nfo nfr nfs ngc nge ngf ngg ngi ngj ngn ngo ngs nic nie nif nig nii nin nio nir nis njc nje njf njn njs nnc nne nnf nng nni nnn nno nns no- noc noe nof nog noi noj non noo nor nos nrc nre nrf nrg nri nrj nrn nro nrr nrs nsc nse nsf nsg nsi nsn nso nsr nss o-i oc- occ ocf ocg oci ocj ocn oco ocr ocs oec oee oef oeg oei oen oeo oer oes of- ofc ofe off ofg ofi ofn ofo ofr ofs ogc oge ogf ogg ogi ogn ogo ogs oic oie oif oii oin oio oir ois ojc oje oji ojo ojs on- onc one onf ong oni onj onn ono onr ons oo- ooc oof oog ooi oon ooo oor oos or- orc ore orf org ori orn oro orr ors os- osc ose osf osg osi osj osn oso osr oss rcc rce rcf rcg rci rcj rcn rco rcr rcs re- rec ree ref reg rei ren reo rer res rfc rfe rff rfg rfi rfj rfn rfo rfr rfs rgc rge rgf rgg rgi rgn rgo rgr rgs ric rie rif rig rii rin rio rir ris rjc rjf rjg rjr rnc rng rni rnn rno rnr rns roc roe rof rog roi roj ron roo ror ros rrc rrf rrg rri rrn rrr rrs rsc rse rsf rsg rsi rsj rsn rso rsr rss scc sce scf scg sci scj scn sco scr scs se- sec see sef seg sei sej sen seo ser ses sfc sfe sff sfg sfi sfj sfn sfo sfr sfs sgc sge sgf sgg sgi sgn sgo sgr sgs sic sie sif sig sii sij sin sio sir sis sjc sje sjf sji sjj sjr sjs snc sne snf sng sni snj snn sno snr sns soc soe sof sog soi soj son soo sor sos sr- src sre srf srg sri srj srn sro srr srs ss- ssc sse ssf ssg ssi ssj ssn sso ssr sss