-er -ic a-a a-c a-i aaa aac aae aaf aai aao aar ac- aca acc ace acf aci aco acr aea aec aee aef aei aeo aer af- afa afc afe aff afi afo afr ai- aia aic aie aif aii aio air aoa aoc aoe aof aoi aoo aor ar- ara arc are arf ari aro arr c-- caa cac cae caf cai cao car cca ccc cce ccf cci cco ccr ce- cea cec cee cef cei ceo cer cfa cfc cfe cff cfi cfo cfr ci- cia cic cie cif cii cio cir co- coa coc coe cof coi coo cor cra crc cre crf cri cro crr eaa eac eae eaf eai eao ear ec- eca ecc ece ecf eci eco ecr eea eec eee eef eeo eer ef- efa efc efe eff efi efo efr eia eic eie eif eii eio eir eo- eoa eoc eoe eof eoi eoo eor era erc ere erf eri ero err faa fac fae faf fai fao far fca fcc fce fcf fci fco fcr fea fec fee fef fei feo fer ffa ffc ffe fff ffi ffo ffr fia fic fie fif fii fir foa foc foe fof foi foo for fra frc fre frf fri fro frr i-f ia- iaa iac iae iaf iai iao iar ica icc ice icf ici ico icr ie- iea iec iee ief iei ier ifa ifc ife iff ifi ifo ifr iia iic iie iif iii iio iir io- ioa ioc ioe iof ioi ioo ior ir- ira irc ire irf iri iro irr o-i oaa oac oae oaf oai oao oar oc- oca occ ocf oci oco ocr oea oec oee oef oei oeo oer of- ofa ofc ofe off ofi ofo ofr oia oic oie oif oii oio oir oo- ooa ooc oof ooi ooo oor or- ora orc ore orf ori oro orr ra- raa rac rae raf rai rao rar rca rcc rce rcf rci rco rcr re- rea rec ree ref rei reo rer rfa rfc rfe rff rfi rfo rfr ria ric rie rif rii rio rir roa roc roe rof roi roo ror rra rrc rrf rri rrr

a-ii aaaa aaac aaae aaaf aaai aaar aaca aacc aace aacf aaci aaco aacr aaea aaec aafa aafc aaff aafi aaic aaii aaoe aaoo aara aarc aare aari aaro acaa acac acae acai acar acca accc acce accf acci acco ace- acea acec acer acfc acfe acfi aci- acia acic acie acif acir acoa acoe acor acr- acra acrc acre acri acro acrr aeac aeaf aeci aeer aeio aer- aera aerc aeri aero afaa afao afar afca afcc afci afee afer affa affc affi affo afia afif afir afoa afoe afoo afor afr- afra afrc afre afri afro aiai aica aicc aice aicf aicr aiea aiee aiff aiia aiic aiir aioc aioi aira aire airi airo aoca aoce aora arac arae araf arai arar arc- arca arce arci arco area arec aree aref arei areo arfa arfc arff aria arie arif arii ario aroa aroe aroi aroo aror arr- arra arrc arre arri arro arrr caaa caac caaf cac- caca cacc cace caci caco cacr caec caei caer cafa cafc cafe caff caia caic caio cair caoi caor cara carc care carf cari caro carr ccaa ccac ccaf ccai ccar ccca cccc cccf ccci ccee ccfa ccfc ccff ccfi ccic ccii ccir ccoc ccra ccrc ccre ccrf ccri ceac cear cec- ceca cece ceci ceco ceec cef- cefa cefc ceor cer- cera cerc cere cerf ceri cero cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfia cfoa cfor cfra cfre ciaa ciao ciar cica cicc cici cico cicr ciee cier cifa cife ciff ciia ciii cior cira circ cire ciri ciro cirr coai coca coce coco cofc cofe coff cofi coia coif coir coof cor- cora corc core corf cori coro corr crac craf crai crar crca crcc crce crcr cre- crea crec cree crei creo crfc cria cric crie crif croc croe croo cror eaaf eaca eacc eaec eaif eara eare earo ecaa ecac ecai ecao ecar ecca eccc ecce ecci ecco ecef ecfa ecfc ecfr eco- ecra ecrc ecrf ecri ecrr eeca eeea eeee eefa eefe eeoc eera eerc eero efca efco efeo effa effi efic efor eiao eica eico eiec eiei eier eira eire eoir eora eore eori eraf erca ercc erce erec erei erer erfc eria eric erie erio eroc eroe eroi eroo erra errc erre erro faaa faac faca facc face fafa fafc fafe faff fafi fafo faie faio fair fara farc fare faro farr fcar fcca fccf fcic fcii fcra feaf fear fece feer fefc fefe feff fefi fefo feia feie feio feir feof fera ferc fere fero ferr ffar ffcc ffee ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fice fico fiec fief fier fifa fifc fife fiff fifi fifo fiii fioe fior fira fire foaf foar foca foce foci foco foer fofo foia foie foof for- fora fore fori foro forr frac frae frcc frea free frei freo frfc fria fric frie frio froe iaaa iaac iaai iaca iacc iacr iaea iaec iafc iafe iaff iaia iara iarc iare icaa icac icaf icai icao icar icca iccc iccf icci icco iccr icea icec icee icef icer icoc icor icra icrc icre icrf icrr ieac iecc ieie ieio iera iere ieri ifaa ifac ifae ifao ifar ifco ifer ific ifor ifra ifrf ifri iiac iica iifa iiie iiii iiio iioi iioo iira iirc ioci ioee iofc ioii ioio ioof iooi iooo iora iore iori irac irae iraf irai irao irar irca ircc iree irer irfe iri- iria iric irie irio iroc irra irrc irre irri o-eo oaer oafc oafo oaic oara oare ocac occa occc occi oce ocee ocef ocfa ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ofcr ofer off- offa offc offe offo offr ofor ofra ofre oici oier oiii oira oire ooaa oocr ooer ooff ooia oooo oora oore orac orae orai