-er -ic c-- ccc cce ccg cci ccn cco ccp ccr ccv ce- cec cee ceg cei cen ceo cep cer cev cgc cge cgg cgi cgn cgo cgp cgr cgv ci- cic cie cig cii cin cio cip cir civ cn- cnc cne cng cni cnn cno cnp cnr cnv co- coc coe cog coi con coo cop cor cov cpc cpe cpg cpi cpn cpo cpp cpr cpv crc cre crg cri crn cro crp crr crv cvc cve cvg cvi cvn cvo cvp cvr cvv ec- ecc ece ecg eci ecn eco ecr ecv eec eee eeg een eeo eep eer eev egc ege egg egi egn ego egp egr eic eie eig eii ein eio eip eir eiv en- enc ene eng eni enn eno enp enr env eo- eoc eoe eog eoi eon eoo eop eor ep- epc epe epg epi epn epo epp epr erc ere erg eri ern ero erp err erv evc eve evg evi evn evo evp evr evv g-p gcc gce gcg gci gcn gco gcp gcr ge- gec gee geg gei gen geo gep ger gev ggc ggg ggi ggn ggo ggp ggr ggv gic gie gig gii gin gio gip gir giv gnc gne gni gnn gno gnp gnr gnv goc goe gog goi gon goo gop gor gov gpc gpe gpg gpi gpn gpo gpp gpr grc gre grg gri grn gro grp grr grv gvc gve gvg gvi gvn gvo gvp gvr i-v icc ice icg ici icn ico icp icr icv ie- iec iee ieg iei ien iep ier iev igc ige igg igi ign igo igp igr iic iie iii iin iio iip iir in- inc ine ing ini inn ino inp inr inv io- ioc ioe iog ioi ion ioo iop ior iov ipc ipe ipg ipi ipn ipo ipp ipr ipv ir- irc ire irg iri irn iro irp irr irv ivc ive ivg ivi ivo ivp ivr ivv n-i ncc nce ncg nci ncn nco ncp ncr ncv ne- nec nee neg nei nen neo nep ner nev ngc nge ngg ngi ngn ngo ngp nic nie nig nii nin nio nip nir niv nnc nne nng nni nnn nno nnp nnv no- noc noe nog noi non noo nop nor nov npc npe npg npi npn npo npp npr npv nrc nre nrg nri nrn nro nrp nrr nrv nvc nve nvg nvi nvn nvp nvv o-i oc- occ ocg oci ocn oco ocp ocr ocv oec oee oeg oei oen oeo oep oer ogc oge ogg ogi ogn ogo ogp oic oie oii oin oio oip oir oiv on- onc one ong oni onn ono onp onr oo- ooc oog ooi oon ooo oop oor oov op- opc ope opg opi opn opo opp opr opv or- orc ore org ori orn oro orp orr orv ov- ovc ove ovi ovo ovp ovv p-p pcc pce pcg pci pcn pco pcp pcr pcv pec pee peg pei pen peo pep per pev pgc pge pgg pgi pgn pgo pgp pgr pgv pic pie pig pii pin pio pip pir piv pn- pnc pne png pni pnn pno pnp pnr pnv poc poe pog poi pon poo pop por pov ppc ppe ppg ppi ppn ppo ppp ppr ppv prc pre prg pri prn pro prp prr prv pvc pve pvg pvi pvn pvo pvp pvr pvv rcc rce rcg rci rcn rco rcp rcr rcv re- rec ree reg rei ren reo rep rer rev rgc rge rgg rgi rgn rgo rgp rgr rgv ric rie rig rii rin rio rip rir riv rnc rng rni rnn rno rnp rnr rnv roc roe rog roi ron roo rop ror rov rpc rpe rpg rpi rpn rpo rpp rpr rpv rrc rrg rri rrn rrp rrr rvc rve rvg rvi rvn rvo rvp rvr rvv v-e vcc vce vci vcn vco vcp vcr vec vee veg vei ven veo vep ver vgc vgg vgn vgo vgp vgr vi- vic vie vig vii vin vio vip vir viv vn- vng vni vno vnp vnr vnv voc voe vog voi von voo vop vor vov vpc vpe vpg vpi vpn vpo vpp vpr vrc vre vrg vri vrn vrp vrr vvc vvg vvi vvo vvr vvv