a-fu a-ii aaaa aaac aaad aaae aaaf aaai aaar aaca aacc aacd aace aacf aaci aacr aacu aada aadc aade aadi aadu aaea aaec aafa aafc aafd aaff aafi aaic aaii aara aarc aard aare aari aaru acaa acac acad acae acai acar acca accc accd acce accf acci accu acda acdc acde acdf acdi ace- acea acec aced acer acfc acfd acfe acfi aci- acia acic acid acie acif acir acr- acra acrc acre acri acrr acu- acue acuf acur adaa adac adad adae adai adar adcc adci adda addc addd adde addi addr addu adea adee ader adfa adfc adia adic adie adif adir adra adre adua adue adur aeac aeaf aeci aede aeer aer- aera aerc aerd aeri afaa afad afar afca afcc afci afcu afdc afee afer affa affc affi afia afid afif afir afr- afra afrc afre afri afru afua afud afue aiai aica aicc aicd aice aicf aicr aida aidc aide aidi aidr aidu aiea aiee aifd aiff aiia aiic aiid aiir aira aird aire airi aiud aiui arac arad arae araf arai arar arau arc- arca arce arci arda ardc arde ardf ardi ardu area arec ared aree aref arei areu arfa arfc arff arfu aria arid arie arif arii arr- arra arrc arre arri arrr arru arua arud arue arui auaa auca auce auci audc aude audi auer aufc aufe aufi aur- aura aurd aure auri c-cd caaa caac caaf cac- caca cacc cace caci cacr cada cadc cadd cade cadi cadr cadu caec caei caer caeu cafa cafc cafe caff cafu caia caic caid cair caiu cara carc card care carf cari carr cauc cauf ccaa ccac ccad ccaf ccai ccar ccca cccc cccf ccci cccu ccdc ccdf ccdi ccdr cced ccee ccfa ccfc ccfd ccff ccfi ccic ccid ccii ccir ccra ccrc ccre ccrf ccri ccuc cd-e cd-r cdaa cdac cdad cdai cdda cddr cdec cdef cder cdfa cdfe cdic cdii cdre ceac cead cear cec- ceca cece ceci ceda cedd cede cedi cedu ceec cef- cefa cefc cer- cera cerc cerd cere cerf ceri ceui cfaa cfac cfae cfar cfca cfcf cfda cffr cfia cfra cfre ciaa ciar ciau cica cicc cici cicr cicu cida cidc cide cidi cidr ciee cier cifa cife ciff ciia ciid ciii cira circ cire ciri cirr ciuc crac craf crai crar crau crca crcc crce crcr crda crdc cre- crea crec cred cree crei creu crfc cria cric crie crif criu crud crue cuau cuca cucc cuce cuci cuda cude cudi cued cuer cufa cufc cuff cufi cui- cuif cuir cura curd cure curf curi curr daad daae daar daau daca dace daci dada dade dadi dadu daer daeu dafa dafc dafe daff dafi daia daid daie dair dara darc dard dare darf dari darr daru daud daue daur dcca dccc dcci dccu dcfc dcia dcii dcra dddd ddie ddrc ddre deac dead deae deaf dear deau dec- deca decc decd dece deci deda dedd dede dedi dedu deed deef deer defe deff defi deid deie deif deir der- dera derc dere derf deri derr deua deue deur dfaf dfcc dfcu dfer dffa dfrf dfri dia- diac diad diaf diar dica dice dici dida dide didi didu diea died dief dier dieu dif- difa diff diii dira dird dire dirr draa drac drad draf drar drau drca drda drea dred dree dref drei drfc dric drie drif drra drua drue drui druu duaa duad duar duca duce duda dudd dude dudu duer dufc duff dufu duid duif duir dura dure duri duru duur eaaf eaca eacc eada eadd eadi eaec eaif eaiu eara eard eare ecaa ecac ecad ecai ecar ecca eccc ecce ecci ecdc ecdf eced ecef ecfa ecfc ecfr ecra ecrc ecrf ecri ecrr ecru ecua edac edad edar edca edda eddc edde eddi ede- edea edei eder edfa edfu edia edie edif edra edru educ edur eeca eede eedu eeea eeee eefa eefe eera eerc efca efda effa effi efic efua eica eid- eide eidi eidr eidu eiec eied eiei eier eira eird eire erad eraf erau erca ercc erce erda erde erdf erdi erec ered erei erer erfc eria eric erie eriu erra errc erre erua eruc erur eucd eude euer eufc eufi eur- eura eurc eure faaa faac faad faca facc face fada fadd fade fadi fafa fafc fafe faff fafi faid faie fair fara farc fard fare farr faru faud faue faur fcar fcca fccf fcda fcic fcii fcra fdca fdic fead feaf fear fece feda fede fedi feed feer fefc fefe feff fefi feia feid feie feir fera ferc ferd fere ferr feru feud ffar ffcc ffee ffff ffii ffrr fiaa fiac fiad fiaf fiar fica ficc fice fida fidc fide fidf fiec fief fier fifa fifc fife fiff fifi fiii fira fire fiua frac frad frae frau frcc frea fred free frei frfc fria fric frid frie frue fuad fuar fuc- fuca fuci fuda fudd fude fudi fufc fuff fufu fuid fuir fur- fura fure furi furr iaaa iaac iaai iaca iacc iacr iacu iadc iaea iaec iafc iafe iaff iaia iara iarc iare iaru icaa icac icad icaf icai icar icca iccc iccf icci iccr iccu icdc icdd icde icea icec iced icee icef icer icra icrc icre icrf icrr icru icue idad idae idar idca idce idcr idda idea idec ided idee idef ider idfa idfc idia idic idid idie idir idra idrc idre idrf ieac iecc iedr ieie iera iere ieri ieud ifaa ifac ifae ifar ifcd ifda ifer ific ifid ifra ifrf ifri iiac iica iicd iida iide iied iifa iiie iiii iira iirc iiuc irac irad irae iraf irai irar irca ircc ircd ircu irda irdc ired iree irer irfe irfu iri- iria iric irid irie irra irrc irre irri iucc iuce iuef iuiu iura raad raaf rac- raca racc race raci racu rada radc radd rade radr radu raec raed raef raer rafa rafc rafe raff rafi raia raic raid raie raif raii rair raiu rara rare rarf rari