-er -ic c-- ccc cce ccg cci cck ccn cco ccp ccr cct ce- cec cee ceg cei cek cen ceo cep cer cet cgc cge cgg cgi cgn cgo cgp cgr cgt ci- cic cie cig cii cik cin cio cip cir cit ckc cki cko ckt cn- cnc cne cng cni cnn cno cnp cnr cnt co- coc coe cog coi cok con coo cop cor cot cpc cpe cpg cpi cpk cpn cpo cpp cpr cpt crc cre crg cri crk crn cro crp crr crt ctc cte ctg cti ctk ctn cto ctp ctr ctt ec- ecc ece ecg eci eck ecn eco ecr ect eec eee eeg eek een eeo eep eer eet egc ege egg egi egn ego egp egr egt eic eie eig eii eik ein eio eip eir eit ekc eke ekg eki eko ekp ekr ekt en- enc ene eng eni enk enn eno enp enr ent eo- eoc eoe eog eoi eok eon eoo eop eor eot ep- epc epe epg epi epn epo epp epr ept erc ere erg eri erk ern ero erp err ert etc ete etg eti etk etn eto etp etr ett g-p gcc gce gcg gci gck gcn gco gcp gcr gct ge- gec gee geg gei gek gen geo gep ger get ggc ggg ggi ggn ggo ggp ggr ggt gic gie gig gii gik gin gio gip gir git gkn gko gkp gkt gnc gne gni gnn gno gnp gnr gnt goc goe gog goi gok gon goo gop gor got gpc gpe gpg gpi gpk gpn gpo gpp gpr gpt grc gre grg gri grk grn gro grp grr grt gtc gte gtg gti gtk gtn gto gtp gtr gtt icc ice icg ici ick icn ico icp icr ict ie- iec iee ieg iei iek ien iep ier iet igc ige igg igi igk ign igo igp igr igt iic iie iii iin iio iip iir iit ikc ike iki ikk iko ikr ikt in- inc ine ing ini ink inn ino inp inr int io- ioc ioe iog ioi ion ioo iop ior iot ipc ipe ipg ipi ipn ipo ipp ipr ipt ir- irc ire irg iri irk irn iro irp irr irt itc ite itg iti itk itn ito itp itt k-t kcc kce kcg kci kck kcn kcp kcr kct ke- kec kee keg kei kek ken keo kep ker ket kgc kgi kgo kgp kic kie kig kii kik kin kio kip kir kit kkc kke kki kkk kkn kkp kkr kkt kn- knc kne kng kni knk knn kno knp knr knt koc koe kog koi kok kon koo kop kor kot kpc kpe kpi kpk kpn kpo kpp kpr kpt krc krg kri krk krn kro krp krr krt ktc kte ktg ktk ktn kto ktp ktr ktt n-i ncc nce ncg nci nck ncn nco ncp ncr nct ne- nec nee neg nei nek nen neo nep ner net ngc nge ngg ngi ngk ngn ngo ngp ngt nic nie nig nii nik nin nio nip nir nit nkc nke nki nkk nkn nko nkp nkr nkt nnc nne nng nni nnk nnn nno nnp nnt no- noc noe nog noi nok non noo nop nor not npc npe npg npi npn npo npp npr npt nrc nre nrg nri nrk nrn nro nrp nrr nrt ntc nte ntg nti ntk ntn nto ntp ntr ntt o-i oc- occ ocg oci ock ocn oco ocp ocr oct oec oee oeg oei oen oeo oep oer oet ogc oge ogg ogi ogn ogo ogp ogt oic oie oii oik oin oio oip oir oit okc oke okg oki okk oko okp okr on- onc one ong oni onk onn ono onp onr ont oo- ooc oog ooi ook oon ooo oop oor oot op- opc ope opg opi opk opn opo opp opr opt or- orc ore org ori ork orn oro orp orr ort ot- otc ote otg oti otk otn oto otp otr ott p-p pcc pce pcg pci pck pcn pco pcp pcr pct pec pee peg pei pek pen peo pep per pet pgc pge pgg pgi pgk pgn pgo pgp pgr pgt pic pie pig pii pik pin pio pip pir pit pkc pke pkg pki pkn pko pkp pkr pkt pn- pnc pne png pni pnk pnn pno pnp pnr pnt poc poe pog poi pok pon poo pop por pot ppc ppe ppg ppi ppk ppn ppo ppp ppr ppt prc pre prg pri prk prn pro prp prr prt pt- ptc pte ptg pti ptk ptn pto ptp ptr ptt rcc rce rcg rci rcn rco rcp rcr rct re- rec ree reg rei rek ren reo rep rer ret rgc rge rgg rgi rgk rgn rgo rgp rgr rgt ric rie rig rii rik rin rio rip rir rit rkc rke rkg rkk rko rkp rkt rnc rng rni rnn rno rnp rnr rnt roc roe rog roi rok ron roo rop ror rot rpc rpe rpg rpi rpk rpn rpo rpp rpr rpt rrc rrg rri rrk rrn rrp rrr rrt rtc rte rtg rti rtk rtn rto rtp rtr rtt tcc tce tcg tci tck tcn tco tcp tcr tct te- tec tee teg tei tek ten teo tep ter tet tgc tge tgg tgi tgk tgn tgo tgp tgr tgt tic tie tig tii tik tin tio tip tir tit tkc tke tkg tkk tko tkp tkr tkt tnc tne tng tni tnk tnn tno tnp tnr tnt to- toc toe tog toi tok ton too top tor tot tpc tpe tpg tpi tpk tpn tpo tpp tpr tpt trc tre trg tri trk trn tro trp trr trt ttc tte ttg tti ttk ttn tto ttp ttr ttt