-er -ic c-- ccc cce cci cck ccn ccp ccr cct ce- cec cee cei cek cen cep cer cet ci- cic cie cii cik cin cip cir cit ckc cki ckt cn- cnc cne cni cnn cnp cnr cnt cpc cpe cpi cpk cpn cpp cpr cpt crc cre cri crk crn crp crr crt ctc cte cti ctk ctn ctp ctr ctt ec- ecc ece eci eck ecn ecr ect eec eee eek een eep eer eet eic eie eii eik ein eip eir eit ekc eke eki ekp ekr ekt en- enc ene eni enk enn enp enr ent ep- epc epe epi epn epp epr ept erc ere eri erk ern erp err ert etc ete eti etk etn etp etr ett icc ice ici ick icn icp icr ict ie- iec iee iei iek ien iep ier iet iic iie iii iin iip iir iit ikc ike iki ikk ikr ikt in- inc ine ini ink inn inp inr int ipc ipe ipi ipn ipp ipr ipt ir- irc ire iri irk irn irp irr irt itc ite iti itk itn itp itt k-t kcc kce kci kck kcn kcp kcr kct ke- kec kee kei kek ken kep ker ket kic kie kii kik kin kip kir kit kkc kke kki kkk kkn kkp kkr kkt kn- knc kne kni knk knn knp knr knt kpc kpe kpi kpk kpn kpp kpr kpt krc kri krk krn krp krr krt ktc kte ktk ktn ktp ktr ktt n-i ncc nce nci nck ncn ncp ncr nct ne- nec nee nei nek nen nep ner net nic nie nii nik nin nip nir nit nkc nke nki nkk nkn nkp nkr nkt nnc nne nni nnk nnn nnp nnt npc npe npi npn npp npr npt nrc nre nri nrk nrn nrp nrr nrt ntc nte nti ntk ntn ntp ntr ntt p-p pcc pce pci pck pcn pcp pcr pct pec pee pei pek pen pep per pet pic pie pii pik pin pip pir pit pkc pke pki pkn pkp pkr pkt pn- pnc pne pni pnk pnn pnp pnr pnt ppc ppe ppi ppk ppn ppp ppr ppt prc pre pri prk prn prp prr prt pt- ptc pte pti ptk ptn ptp ptr ptt rcc rce rci rcn rcp rcr rct re- rec ree rei rek ren rep rer ret ric rie rii rik rin rip rir rit rkc rke rkk rkp rkt rnc rni rnn rnp rnr rnt rpc rpe rpi rpk rpn rpp rpr rpt rrc rri rrk rrn rrp rrr rrt rtc rte rti rtk rtn rtp rtr rtt tcc tce tci tck tcn tcp tcr tct te- tec tee tei tek ten tep ter tet tic tie tii tik tin tip tir tit tkc tke tkk tkp tkr tkt tnc tne tni tnk tnn tnp tnr tnt tpc tpe tpi tpk tpn tpp tpr tpt trc tre tri trk trn trp trr trt ttc tte tti ttk ttn ttp ttr ttt