-er a-a a-c aaa aac aae aaf aao aar aav ac- aca acc ace acf aco acr acv aea aec aee aef aeo aer aev af- afa afc afe aff afo afr afv aoa aoc aoe aof aoo aor aov ar- ara arc are arf aro arr arv av- ava avc ave avf avo avr c-- caa cac cae caf cao car cav cca ccc cce ccf cco ccr ccv ce- cea cec cee cef ceo cer cev cfa cfc cfe cff cfo cfr cfv co- coa coc coe cof coo cor cov cra crc cre crf cro crr crv cva cvc cve cvf cvo cvr cvv eaa eac eae eaf eao ear eav ec- eca ecc ece ecf eco ecr ecv eea eec eee eef eeo eer eev ef- efa efc efe eff efo efr eo- eoa eoc eoe eof eoo eor era erc ere erf ero err erv eva evc eve evf evo evr evv faa fac fae faf fao far fav fca fcc fce fcf fco fcr fcv fea fec fee fef feo fer fev ffa ffc ffe fff ffo ffr ffv foa foc foe fof foo for fra frc fre frf fro frr fva fvc oaa oac oae oaf oao oar oav oc- oca occ ocf oco ocr ocv oea oec oee oef oeo oer of- ofa ofc ofe off ofo ofr ofv oo- ooa ooc oof ooo oor oov or- ora orc ore orf oro orr orv ov- ova ovc ove ovf ovo ovv ra- raa rac rae raf rao rar rav rca rcc rce rcf rco rcr rcv re- rea rec ree ref reo rer rev rfa rfc rfe rff rfo rfr rfv roa roc roe rof roo ror rov rra rrc rrf rrr rva rvc rve rvf rvo rvr rvv v-a v-e vaa vac vae vao var vav vca vcc vce vcf vco vcr vea vec vee vef veo ver vfa vfc vff vfr vfv voa voc voe vof voo vor vov vra vrc vre vrf vrr vva vvc vvo vvr vvv

-vac aaaa aaac aaae aaaf aaar aaav aaca aacc aace aacf aaco aacr aacv aaea aaec aaev aafa aafc aaff aaoe aaoo aara aarc aare aaro aava acaa acac acae acar acca accc acce accf acco ace- acea acec acer acev acfc acfe acoa acoe acor acr- acra acrc acre acro acrr acrv acvv aeac aeaf aeer aer- aera aerc aero aeva afaa afao afar afca afcc afee afer affa affc affo afoa afoe afoo afor afr- afra afrc afre afro aoca aoce aora arac arae araf arar arc- arca arce arco area arec aree aref areo arev arfa arfc arff aroa aroe aroo aror arr- arra arrc arre arro arrr arva arve arvo avao avar avcc avce avco avea avec aveo aver avor avra avre avro avva avvo caaa caac caaf cac- caca cacc cace caco cacr caec caer cafa cafc cafe caff caor cara carc care carf caro carr cava cave cavo ccaa ccac ccaf ccar ccca cccc cccf cccv ccee ccfa ccfc ccff ccoc ccra ccrc ccre ccrf ccvo ceac cear cec- ceca cece ceco ceec cef- cefa cefc ceor cer- cera cerc cere cerf cero ceva cevo cfaa cfac cfae cfao cfar cfav cfca cfcf cfco cffr cfoa cfor cfra cfre coca coce coco cofc cofe coff coof cor- cora corc core corf coro corr cova cove covo crac craf crar crca crcc crce crcr cre- crea crec cree creo crfc croc croe croo cror cvac cvar cvca cvcc cver cvfr cvra cvrr eaaf eaca eacc eaec eara eare earo eave ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr eco- ecra ecrc ecrf ecrr ecrv eeca eeea eeee eefa eefe eeoc eera eerc eero eeva efca efco efeo effa efor eora eore eraf erca ercc erce erec erer erev erfc eroc eroe eroo erra errc erre erro erve evac evae evar evea ever evoe evoo evra evre faaa faac faca facc face fafa fafc fafe faff fafo fara farc fare faro farr fava favc fave fcar fcca fccf fcra feaf fear fece feer fefc fefe feff fefo feof fera ferc fere fero ferr ferv feve fevr ffar ffcc ffee ffff ffrr foaf foar foca foce foco foer fofo foof for- fora fore foro forr fove fr-v frac frae frcc frea free freo frfc froe o-eo oaer oafc oafo oara oare ocac occa occc 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 ooaa oocr ooer ooff oooo oora oore orac orae orao orar orav orca orce orco ore- orea orec oreo orer orfe orff oro- oroe orof oror orra orro orve orvr ovar ovee over ovo- ovoo ovra ovre raaf rac- raca racc race raco racv raec raef raer rafa rafc rafe raff raoc rara rare rarf raro rava rave rcac rcaf rccc rcfc rcvr rea- reac reae reaf reao rear reca recc rece recr reef reev refe reff refr reof rera rere rero reva reve revo rfae rfef rffc roaf roar roca rocc roce roco roea roer roev rofc rofe roff rofo roof roor rora rorc rore roro rova rove rovo rrfc rrrr rv-c rvca rver vaar vaca vace vaco vafa vara vare varf varr vava vear vecc veer vefa veor ver- vera vere vero veve vevo vfcc vfor voar voca voce voer voff vofr vooc voor vor- vora vore voro vrac vrav vref vreo vroc vver vvvv

-aaa- aaace aaaee aaaoc aaarc aacfo aaeaf acaca acar- acara acare accra aceae aceof acera acero acore acrea acree acro- aeaea aereo aero- aeroe aerva aface afara afare afcea afcec afear afefe afere affer affor afore afree afro- afvor ara-c araca arace araco araea arafo arara arare arava arave arcae arcee arcoa arcor areae arear areca areef areo- arere arero areva arfe aroar aroer aroof aroor arora arore arove arrea arroe arvar arvcf avara avare avaro aveer aver- avera aveva aveve avoca avoer avree c-a-c c-cor c-evo c-raf