-er -ic c-- ccc ccd cce cci cck ccn cco ccp ccr ccs cct cdc cdd cde cdi cdk cdn cdo cdp cdr cds cdt ce- cec ced cee cei cek cen ceo cep cer ces cet ci- cic cid cie cii cik cin cio cip cir cis cit ckc ckd cki cko cks ckt cn- cnc cnd cne cni cnn cno cnp cnr cns cnt co- coc cod coe coi cok con coo cop cor cos cot cpc cpd cpe cpi cpk cpn cpo cpp cpr cps cpt crc crd cre cri crk crn cro crp crr crs crt csc csd cse csi csk csn cso csp csr css cst ctc ctd cte cti ctk ctn cto ctp ctr cts ctt dcc dcd dce dci dck dcn dco dcp dcr dcs dct ddc ddd dde ddi ddk ddn ddo ddp ddr dds ddt de- dec ded dee dei dek den deo dep der des det di- dic did die dii dik din dio dip dir dis dit dkc dke dki dkk dko dkp dkr dks dkt dnc dnd dne dni dnk dnn dno dnp dnr dns dnt doc dod doe doi dok don doo dop dor dos dot dpc dpd dpe dpi dpk dpn dpo dpp dpr dps dpt drc drd dre dri drk drn dro drp drr drs drt dsc dsd dse dsi dsk dsn dso dsp dsr dss dst dtc dtd dte dti dtk dtn dto dtp dtr dts dtt ec- ecc ecd ece eci eck ecn eco ecr ecs ect ed- edc edd ede edi edk edn edo edp edr eds edt eec eed eee eek een eeo eep eer ees eet eic eid eie eii eik ein eio eip eir eis eit ekc ekd eke eki eko ekp ekr eks ekt en- enc end ene eni enk enn eno enp enr ens ent eo- eoc eod eoe eoi eok eon eoo eop eor eos eot ep- epc epd epe epi epn epo epp epr eps ept erc erd ere eri erk ern ero erp err ers ert es- esc esd ese esi esk esn eso esp esr ess est etc etd ete eti etk etn eto etp etr ets ett i-d icc icd ice ici ick icn ico icp icr ics ict idc idd ide idi idk idn ido idp idr ids idt ie- iec ied iee iei iek ien iep ier ies iet iic iid iie iii iin iio iip iir iis iit ikc ike iki ikk iko ikr iks ikt in- inc ind ine ini ink inn ino inp inr ins int io- ioc iod ioe ioi ion ioo iop ior ios iot ipc ipd ipe ipi ipn ipo ipp ipr ips ipt ir- irc ird ire iri irk irn iro irp irr irs irt is- isc isd ise isi isk isn iso isp isr iss ist itc itd ite iti itk itn ito itp its itt k-t kcc kcd kce kci kck kcn kcp kcr kcs kct kdc kde kdk kdo kdp kdr kds kdt ke- kec ked kee kei kek ken keo kep ker kes ket kic kid kie kii kik kin kio kip kir kis kit kkc kke kki kkk kkn kkp kkr kks kkt kn- knc knd kne kni knk knn kno knp knr knt koc kod koe koi kok kon koo kop kor kos kot kpc kpd kpe kpi kpk kpn kpo kpp kpr kps kpt krc krd kri krk krn kro krp krr krs krt ksc ksd kse ksi ksk ksn kso ksp ksr kss kst ktc kte ktk ktn kto ktp ktr kts ktt n-i ncc ncd nce nci nck ncn nco ncp ncr ncs nct ndc ndd nde ndi ndk ndn ndo ndp ndr nds ndt ne- nec ned nee nei nek nen neo nep ner nes net nic nid nie nii nik nin nio nip nir nis nit nkc nke nki nkk nkn nko nkp nkr nks nkt nnc nne nni nnk nnn nno nnp nns nnt no- noc nod noe noi nok non noo nop nor nos not npc npd npe npi npn npo npp npr nps npt nrc nrd nre nri nrk nrn nro nrp nrr nrs nrt nsc nsd nse nsi nsk nsn nso nsp nsr nss nst ntc ntd nte nti ntk ntn nto ntp ntr nts ntt o-i oc- occ ocd oci ock ocn oco ocp ocr ocs oct odc odd ode odi odn odo odp odr ods odt oec oed oee oei oen oeo oep oer oes oet oic oid oie oii oik oin oio oip oir ois oit okc okd oke oki okk oko okp okr oks on- onc ond one oni onk onn ono onp onr ons ont oo- ooc ood ooi ook oon ooo oop oor oos oot op- opc opd ope opi opk opn opo opp opr ops opt or- orc ord ore ori ork orn oro orp orr ors ort os- osc osd ose osi osk osn oso osp osr oss ost ot- otc otd ote oti otk otn oto otp otr ots ott p-p pcc pcd pce pci pck pcn pco pcp pcr pcs pct pdc pdd pde pdi pdk pdn pdo pdp pdr pds pdt pec ped pee pei pek pen peo pep per pes pet pic pid pie pii pik pin pio pip pir pis pit pkc pkd pke pki pkn pko pkp pkr pks pkt pn- pnc pnd pne pni pnk pnn pno pnp pnr pns pnt poc pod poe poi pok pon poo pop por pos pot ppc ppd ppe ppi ppk ppn ppo ppp ppr pps ppt prc prd pre pri prk prn pro prp prr prs prt ps- psc psd pse psi psk psn pso psp psr pss pst pt- ptc ptd pte pti ptk ptn pto ptp ptr pts ptt rcc rcd rce rci rcn rco rcp rcr rcs rct rdc rdd rde rdi rdn rdo rdp rdr rds rdt re- rec red ree rei rek ren reo rep rer res ret ric rid rie