-er a-a a-c aaa aac aae aaf aao aar aau ac- aca acc ace acf aco acr acu aea aec aee aef aeo aer aeu af- afa afc afe aff afo afr afu aoa aoc aoe aof aoo aor aou ar- ara arc are arf aro arr aru au- aua auc aue auf auo aur c-- caa cac cae caf cao car cau cca ccc cce ccf cco ccr ccu ce- cea cec cee cef ceo cer ceu cfa cfc cfe cff cfo cfr cfu co- coa coc coe cof coo cor cou cra crc cre crf cro crr cru cua cuc cue cuf cuo cur cuu eaa eac eae eaf eao ear eau ec- eca ecc ece ecf eco ecr ecu eea eec eee eef eeo eer ef- efa efc efe eff efo efr eo- eoa eoc eoe eof eoo eor eou era erc ere erf ero err eru eu- eua euc eue euf eur faa fac fae faf fao far fau fca fcc fce fcf fco fcr fcu fea fec fee fef feo fer feu ffa ffc ffe fff ffo ffr ffu foa foc foe fof foo for fou fra frc fre frf fro frr fru fua fue fuf fuo fur fuu oaa oac oae oaf oao oar oau oc- oca occ ocf oco ocr ocu oea oec oee oef oeo oer of- ofa ofc ofe off ofo ofr ofu oo- ooa ooc oof ooo oor or- ora orc ore orf oro orr oru ou- oua ouc oue ouf ouo our ra- raa rac rae raf rao rar rau rca rcc rce rcf rco rcr rcu re- rea rec ree ref reo rer reu rfa rfc rfe rff rfo rfr rfu roa roc roe rof roo ror rou rra rrc rrf rrr rru rua ruc rue ruf ruo rur ruu ua- uaa uac uae uaf uao uar uau uca ucc uce ucf uco ucr ucu uea uec uee uef uer ufa ufc ufe uff ufo ufr ufu uoa uoc uoe uoo uor ur- ura urc ure urf uro urr uru uua uuc uue uur uuu

a-fu aaaa aaac aaae aaaf aaar aaca aacc aace aacf aaco aacr aacu aaea aaec aafa aafc aaff aaoe aaoo aara aarc aare aaro aaru acaa acac acae acar acca accc acce accf acco accu ace- acea acec acer acfc acfe acoa acoe acor acou acr- acra acrc acre acro acrr acu- acue acuf acuo acur aeac aeaf aeer aer- aera aerc aero afaa afao afar afca afcc afcu afee afer affa affc affo afoa afoe afoo afor afr- afra afrc afre afro afru afua afue aoca aoce aoeu aora aouf arac arae araf arar arau arc- arca arce arco area arec aree aref areo areu arfa arfc arff arfu aroa aroe aroo aror arr- arra arrc arre arro arrr arru arua arue auaa auca auce auer aufc aufe aur- aura aure auro caaa caac caaf cac- caca cacc cace caco cacr caec caer caeu cafa cafc cafe caff cafu caor cara carc care carf caro carr cauc cauf cauo ccaa ccac ccaf ccar ccca cccc cccf cccu ccee ccfa ccfc ccff ccoc ccra ccrc ccre ccrf ccuc ceac cear cec- ceca cece ceco ceec cef- cefa cefc ceor ceou cer- cera cerc cere cerf cero cfaa cfac cfae cfao cfar cfca cfcf cfco cffr cfoa cfor cfra cfre coca coce coco cocu cofc cofe coff coof cor- cora corc core corf coro corr coua coue cour crac craf crar crau crca crcc crce crcr cre- crea crec cree creo creu crfc croc croe croo cror crue cuau cuca cucc cuce cuer cufa cufc cuff cufo cura cure curf curo curr eaaf eaca eacc eaec eara eare earo ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr eco- ecou ecra ecrc ecrf ecrr ecru ecua eeca eeea eeee eefa eefe eeoc eera eerc eero efca efco efeo effa efor efua eora eore eraf erau erca ercc erce erec erer erfc eroc eroe eroo erra errc erre erro erua eruc erur euer eufc eur- eura eurc eure euro faaa faac faca facc face fafa fafc fafe faff fafo fara farc fare faro farr faru faue faur fcar fcca fccf fcra feaf fear fece feer fefc fefe feff fefo feof fera ferc fere fero ferr feru ffar ffcc ffee ffff ffrr foaf foar foca foce foco foer fofo foof for- fora fore foro forr foua four frac frae frau frcc frea free freo frfc froe frou frue fuar fuc- fuca fufc fuff fufu fuor fur- fura fure furo furr o-eo oaau oaer oafc oafo oara oare ocac occa occc oce ocee ocef ocfa ocra ocre ocro ocrr ocur oec- oeca oecc oeec oera oere oeuf ofcr ofer off- offa offc offe offo offr offu ofor ofra ofre ooaa oocr ooer ooff oooo oora oore orac orae orao orar orca orce orco ore- orea orec oreo orer orfe orff orfu oro- oroe orof oror orra orro ouac oucc ouea ouer oufc oufe ouff our- oura oure ouro ouu- raaf rac- raca racc race raco racu raec raef raer rafa rafc rafe raff raoc rara rare rarf raro raua rauc raue rauf rcac rcaf rccc rcfc rea- reac reae reaf reao rear reau reca recc rece recr recu reef refe reff refr refu reof reou rera rere rero reru reue reuf reuu rfae rfef rffc roaf roar roca rocc roce roco roea roer rofc rofe roff rofo roof roor rora rorc rore roro roru roua roue rouf rrfc rrrr ruca ruce ruer rufa rufc rufe ruff rufo rura rurc rure ruro ruru uaca uafa uaoc uarc uaru uaua ucar ucca ucea ucfa ucrc ucua uefa ufcu ufer uffa uffe ufra uocc uofa uofo uor- uore urac urao urau urca ure- urea urfa urfe urff uro- uroa uroo urra urre urur uuoc uuuu

-aaa- aaace aaaee aaaoc aaarc aacfo aaeaf aarau acaca acar- acara acare acaua accra accue accur aceae aceof acera acero acore acou- acoua acouo acrea acree acro- acrue acuff acura acure aeaea