-er -ic a-a a-c a-i a-t aaa aac aae aai aan aap aar aat ac- aca acc ace aci acn acp acr act aea aec aee aei aen aep aer aet ai- aia aic aie aii ain aip air ait an- ana anc ane ani ann anp anr ant ap- apa apc ape api apn app apr apt ar- ara arc are ari arn arp arr art at- ata atc ate ati atn atp atr att c-- caa cac cae cai can cap car cat cca ccc cce cci ccn ccp ccr cct ce- cea cec cee cei cen cep cer cet ci- cia cic cie cii cin cip cir cit cn- cna cnc cne cni cnn cnp cnr cnt cpa cpc cpe cpi cpn cpp cpr cpt cra crc cre cri crn crp crr crt cta ctc cte cti ctn ctp ctr ctt eaa eac eae eai ean eap ear eat ec- eca ecc ece eci ecn ecr ect eea eec eee een eep eer eet eia eic eie eii ein eip eir eit en- ena enc ene eni enn enp enr ent ep- epa epc epe epi epn epp epr ept era erc ere eri ern erp err ert eta etc ete eti etn etp etr ett ia- iaa iac iae iai ian iap iar iat ica icc ice ici icn icp icr ict ie- iea iec iee iei ien iep ier iet iia iic iie iii iin iip iir iit in- ina inc ine ini inn inp inr int ipa ipc ipe ipi ipn ipp ipr ipt ir- ira irc ire iri irn irp irr irt ita itc ite iti itn itp itt n-i naa nac nae nai nan nap nar nat nca ncc nce nci ncn ncp ncr nct ne- nea nec nee nei nen nep ner net nia nic nie nii nin nip nir nit nna nnc nne nni nnn nnp nnt npa npc npe npi npn npp npr npt nra nrc nre nri nrn nrp nrr nrt nta ntc nte nti ntn ntp ntr ntt p-p paa pac pae pai pan pap par pat pca pcc pce pci pcn pcp pcr pct pea pec pee pei pen pep per pet pia pic pie pii pin pip pir pit pn- pna pnc pne pni pnn pnp pnr pnt ppa ppc ppe ppi ppn ppp ppr ppt pra prc pre pri prn prp prr prt pt- pta ptc pte pti ptn ptp ptr ptt ra- raa rac rae rai ran rap rar rat rca rcc rce rci rcn rcp rcr rct re- rea rec ree rei ren rep rer ret ria ric rie rii rin rip rir rit rna rnc rni rnn rnp rnr rnt rpa rpc rpe rpi rpn rpp rpr rpt rra rrc rri rrn rrp rrr rrt rta rtc rte rti rtn rtp rtr rtt taa tac tae tai tan tap tar tat tca tcc tce tci tcn tcp tcr tct te- tea tec tee tei ten tep ter tet tia tic tie tii tin tip tir tit tna tnc tne tni tnn tnp tnr tnt tpa tpc tpe tpi tpn tpp tpr tpt tra trc tre tri trn trp trr trt tta ttc tte tti ttn ttp ttr ttt