-er -ic a-a a-c a-i aaa aac aae aai aan aap aar aav ac- aca acc ace aci acn acp acr acv aea aec aee aei aen aep aer aev ai- aia aic aie aii ain aip air aiv an- ana anc ane ani ann anp anr anv ap- apa apc ape api apn app apr apv ar- ara arc are ari arn arp arr arv av- ava avc ave avi avn avp avr c-- caa cac cae cai can cap car cav cca ccc cce cci ccn ccp ccr ccv ce- cea cec cee cei cen cep cer cev ci- cia cic cie cii cin cip cir civ cn- cna cnc cne cni cnn cnp cnr cnv cpa cpc cpe cpi cpn cpp cpr cpv cra crc cre cri crn crp crr crv cva cvc cve cvi cvn cvp cvr cvv eaa eac eae eai ean eap ear eav ec- eca ecc ece eci ecn ecr ecv eea eec eee een eep eer eev eia eic eie eii ein eip eir eiv en- ena enc ene eni enn enp enr env ep- epa epc epe epi epn epp epr era erc ere eri ern erp err erv eva evc eve evi evn evp evr evv i-v ia- iaa iac iae iai ian iap iar iav ica icc ice ici icn icp icr icv ie- iea iec iee iei ien iep ier iev iia iic iie iii iin iip iir in- ina inc ine ini inn inp inr inv ipa ipc ipe ipi ipn ipp ipr ipv ir- ira irc ire iri irn irp irr irv iva ivc ive ivi ivp ivr ivv n-i naa nac nae nai nan nap nar nav nca ncc nce nci ncn ncp ncr ncv ne- nea nec nee nei nen nep ner nev nia nic nie nii nin nip nir niv nna nnc nne nni nnn nnp nnv npa npc npe npi npn npp npr npv nra nrc nre nri nrn nrp nrr nrv nva nvc nve nvi nvn nvp nvv p-p paa pac pae pai pan pap par pav pca pcc pce pci pcn pcp pcr pcv pea pec pee pei pen pep per pev pia pic pie pii pin pip pir piv pn- pna pnc pne pni pnn pnp pnr pnv ppa ppc ppe ppi ppn ppp ppr ppv pra prc pre pri prn prp prr prv pva pvc pve pvi pvn pvp pvr pvv ra- raa rac rae rai ran rap rar rav rca rcc rce rci rcn rcp rcr rcv re- rea rec ree rei ren rep rer rev ria ric rie rii rin rip rir riv rna rnc rni rnn rnp rnr rnv rpa rpc rpe rpi rpn rpp rpr rpv rra rrc rri rrn rrp rrr rva rvc rve rvi rvn rvp rvr rvv v-a v-e vaa vac vae vai van vap var vav vca vcc vce vci vcn vcp vcr vea vec vee vei ven vep ver vi- via vic vie vii vin vip vir viv vn- vna vni vnp vnr vnv vpa vpc vpe vpi vpn vpp vpr vra vrc vre vri vrn vrp vrr vva vvc vvi vvr vvv