-er -ic a-a a-c a-i aaa aac aae aaf aai aan aao aar aav ac- aca acc ace acf aci acn aco acr acv aea aec aee aef aei aen aeo aer aev af- afa afc afe aff afi afn afo afr afv ai- aia aic aie aif aii ain aio air aiv an- ana anc ane anf ani ann ano anr anv aoa aoc aoe aof aoi aon aoo aor aov ar- ara arc are arf ari arn aro arr arv av- ava avc ave avf avi avn avo avr c-- caa cac cae caf cai can cao car cav cca ccc cce ccf cci ccn cco ccr ccv ce- cea cec cee cef cei cen ceo cer cev cfa cfc cfe cff cfi cfn cfo cfr cfv ci- cia cic cie cif cii cin cio cir civ cn- cna cnc cne cnf cni cnn cno cnr cnv co- coa coc coe cof coi con coo cor cov cra crc cre crf cri crn cro crr crv cva cvc cve cvf cvi cvn cvo cvr cvv eaa eac eae eaf eai ean eao ear eav ec- eca ecc ece ecf eci ecn eco ecr ecv eea eec eee eef een eeo eer eev ef- efa efc efe eff efi efo efr eia eic eie eif eii ein eio eir eiv en- ena enc ene enf eni enn eno enr env eo- eoa eoc eoe eof eoi eon eoo eor era erc ere erf eri ern ero err erv eva evc eve evf evi evn evo evr evv faa fac fae faf fai fan fao far fav fca fcc fce fcf fci fcn fco fcr fcv fea fec fee fef fei fen feo fer fev ffa ffc ffe fff ffi ffn ffo ffr ffv fia fic fie fif fii fin fir fna fnc fne fnf fni fnn fnr fnv foa foc foe fof foi fon foo for fra frc fre frf fri frn fro frr fva fvc i-f i-v ia- iaa iac iae iaf iai ian iao iar iav ica icc ice icf ici icn ico icr icv ie- iea iec iee ief iei ien ier iev ifa ifc ife iff ifi ifn ifo ifr iia iic iie iif iii iin iio iir in- ina inc ine inf ini inn ino inr inv io- ioa ioc ioe iof ioi ion ioo ior iov ir- ira irc ire irf iri irn iro irr irv iva ivc ive ivf ivi ivo ivr ivv n-i naa nac nae naf nai nan nao nar nav nca ncc nce ncf nci ncn nco ncr ncv ne- nea nec nee nef nei nen neo ner nev nfa nfc nfe nff nfi nfn nfo nfr nfv nia nic nie nif nii nin nio nir niv nna nnc nne nnf nni nnn nno nnv no- noa noc noe nof noi non noo nor nov nra nrc nre nrf nri nrn nro nrr nrv nva nvc nve nvi nvn nvv o-i oaa oac oae oaf oai oan oao oar oav oc- oca occ ocf oci ocn oco ocr ocv oea oec oee oef oei oen oeo oer of- ofa ofc ofe off ofi ofn ofo ofr ofv oia oic oie oif oii oin oio oir oiv on- ona onc one onf oni onn ono onr oo- ooa ooc oof ooi oon ooo oor oov or- ora orc ore orf ori orn oro orr orv ov- ova ovc ove ovf ovi ovo ovv ra- raa rac rae raf rai ran rao rar rav rca rcc rce rcf rci rcn rco rcr rcv re- rea rec ree ref rei ren reo rer rev rfa rfc rfe rff rfi rfn rfo rfr rfv ria ric rie rif rii rin rio rir riv rna rnc rni rnn rno rnr rnv roa roc roe rof roi ron roo ror rov rra rrc rrf rri rrn rrr rva rvc rve rvf rvi rvn rvo rvr rvv v-a v-e vaa vac vae vai van vao var vav vca vcc vce vcf vci vcn vco vcr vea vec vee vef vei ven veo ver vfa vfc vff vfi vfn vfr vfv vi- via vic vie vif vii vin vio vir viv vn- vna vnf vni vno vnr vnv voa voc voe vof voi von voo vor vov vra vrc vre vrf vri vrn vrr vva vvc vvi vvo vvr vvv