-er -ic c-- ccc cce ccg cci ccm ccn ccp ccr cct ce- cec cee ceg cei cem cen cep cer cet cgc cge cgg cgi cgm cgn cgp cgr cgt ci- cic cie cig cii cim cin cip cir cit cmc cme cmg cmi cmm cmn cmp cmr cmt cn- cnc cne cng cni cnm cnn cnp cnr cnt cpc cpe cpg cpi cpm cpn cpp cpr cpt crc cre crg cri crm crn crp crr crt ctc cte ctg cti ctm ctn ctp ctr ctt ec- ecc ece ecg eci ecm ecn ecr ect eec eee eeg eem een eep eer eet egc ege egg egi egm egn egp egr egt eic eie eig eii eim ein eip eir eit em- emc eme emg emi emm emn emp emr emt en- enc ene eng eni enm enn enp enr ent ep- epc epe epg epi epm epn epp epr ept erc ere erg eri erm ern erp err ert etc ete etg eti etm etn etp etr ett g-p gcc gce gcg gci gcm gcn gcp gcr gct ge- gec gee geg gei gem gen gep ger get ggc ggg ggi ggm ggn ggp ggr ggt gic gie gig gii gim gin gip gir git gmc gme gmg gmi gmm gmn gmp gmr gmt gnc gne gni gnm gnn gnp gnr gnt gpc gpe gpg gpi gpm gpn gpp gpr gpt grc gre grg gri grm grn grp grr grt gtc gte gtg gti gtm gtn gtp gtr gtt icc ice icg ici icm icn icp icr ict ie- iec iee ieg iei iem ien iep ier iet igc ige igg igi igm ign igp igr igt iic iie iii iim iin iip iir iit im- imc ime img imi imm imn imp imt in- inc ine ing ini inm inn inp inr int ipc ipe ipg ipi ipm ipn ipp ipr ipt ir- irc ire irg iri irm irn irp irr irt itc ite itg iti itm itn itp itt m-r mc- mcc mce mcg mci mcm mcn mcp mcr mct mec mee meg mei mem men mep mer met mgc mge mgi mgm mgn mgp mgr mgt mi- mic mie mig mii mim min mip mir mit mmc mme mmg mmi mmm mmn mmp mmr mmt mnc mne mng mni mnm mnn mnp mnr mnt mpc mpe mpg mpi mpm mpn mpp mpr mpt mrc mre mrg mri mrm mrn mrp mrr mrt mtc mte mtg mti mtm mtn mtp mtr mtt n-i ncc nce ncg nci ncm ncn ncp ncr nct ne- nec nee neg nei nem nen nep ner net ngc nge ngg ngi ngm ngn ngp ngt nic nie nig nii nim nin nip nir nit nmc nme nmg nmi nmm nmn nmp nmr nmt nnc nne nng nni nnm nnn nnp nnt npc npe npg npi npm npn npp npr npt nrc nre nrg nri nrm nrn nrp nrr nrt ntc nte ntg nti ntm ntn ntp ntr ntt p-p pcc pce pcg pci pcm pcn pcp pcr pct pec pee peg pei pem pen pep per pet pgc pge pgg pgi pgm pgn pgp pgr pgt pic pie pig pii pim pin pip pir pit pmc pme pmg pmi pmm pmn pmp pmr pmt pn- pnc pne png pni pnm pnn pnp pnr pnt ppc ppe ppg ppi ppm ppn ppp ppr ppt prc pre prg pri prm prn prp prr prt pt- ptc pte ptg pti ptm ptn ptp ptr ptt rcc rce rcg rci rcm rcn rcp rcr rct re- rec ree reg rei rem ren rep rer ret rgc rge rgg rgi rgn rgp rgr rgt ric rie rig rii rim rin rip rir rit rmc rme rmg rmi rmm rmn rmp rmr rmt rnc rng rni rnm rnn rnp rnr rnt rpc rpe rpg rpi rpm rpn rpp rpr rpt rrc rrg rri rrm rrn rrp rrr rrt rtc rte rtg rti rtm rtn rtp rtr rtt tcc tce tcg tci tcm tcn tcp tcr tct te- tec tee teg tei tem ten tep ter tet tgc tge tgg tgi tgm tgn tgp tgr tgt tic tie tig tii tim tin tip tir tit tmc tme tmg tmi tmm tmn tmp tmr tmt tnc tne tng tni tnm tnn tnp tnr tnt tpc tpe tpg tpi tpm tpn tpp tpr tpt trc tre trg tri trm trn trp trr trt ttc tte ttg tti ttm ttn ttp ttr ttt