a-fu a-ii aaaa aaac aaaf aaai aaar aaca aacc aacf aaci aaco aacr aacu aafa aafc aaff aafi aaic aaii aaoo aara aarc aari aaro aaru acaa acac acai acar acca accc accf acci acco accu acfc acfi aci- acia acic acif acir acoa acor acou acr- acra acrc acri acro acrr acu- acuf acuo acur afaa afao afar afca afcc afci afcu affa affc affi affo afia afif afir afoa afoo afor afr- afra afrc afri afro afru afua aiai aica aicc aicf aicr aiff aiia aiic aiir aioc aioi aira airi airo aiui aoca aora aouf arac araf arai arar arau arc- arca arci arco arfa arfc arff arfu aria arif arii ario aroa aroi aroo aror arr- arra arrc arri arro arrr arru arua arui auaa auca auci aufc aufi aur- aura auri auro caaa caac caaf cac- caca cacc caci caco cacr cafa cafc caff cafu caia caic caio cair caiu caoi caor cara carc carf cari caro carr cauc cauf cauo ccaa ccac ccaf ccai ccar ccca cccc cccf ccci cccu ccfa ccfc ccff ccfi ccic ccii ccir ccoc ccra ccrc ccrf ccri ccuc cfaa cfac cfao cfar cfca cfcf cfco cffr cfia cfoa cfor cfra ciaa ciao ciar ciau cica cicc cici cico cicr cicu cifa ciff ciia ciii cior cira circ ciri ciro cirr ciuc coai coca coco cocu cofc coff cofi coia coif coir coof cor- cora corc corf cori coro corr coua cour crac craf crai crar crau crca crcc crcr crfc cria cric crif criu croc croo cror cuau cuca cucc cuci cufa cufc cuff cufi cufo cui- cuif cuir cura curf curi curo curr faaa faac faca facc fafa fafc faff fafi fafo faio fair fara farc faro farr faru faur fcar fcca fccf fcic fcii fcra ffar ffcc ffff ffii ffrr fiaa fiac fiaf fiar fica ficc fico fifa fifc fiff fifi fifo fiii fior fira fiua foaf foar foca foci foco fofo foia foof for- fora fori foro forr foua four frac frau frcc frfc fria fric frio frou fuar fuc- fuca fuci fufc fuff fufu fuir fuor fur- fura furi furo furr iaaa iaac iaai iaca iacc iacr iacu iafc iaff iaia iara iarc iaru icaa icac icaf icai icao icar icca iccc iccf icci icco iccr iccu icoc icor icra icrc icrf icrr icru ifaa ifac ifao ifar ifco ific ifor ifra ifrf ifri iiac iica iifa iiii iiio iioi iioo iira iirc iiuc ioci iofc ioii ioio ioof iooi iooo iora iori irac iraf irai irao irar irca ircc ircu irfu iri- iria iric irio iroc irra irrc irri iucc iuiu iura oaau oafc oafo oaic oara ocac occa occc occi ocfa ocra ocro ocrr ocur ofcr off- offa offc offo offr offu ofor ofra oici oiii oira ooaa oocr ooff ooia oooo oora orac orai orao orar orca orci orco orff orfi orfu ori- oria oric orif orio oro- orof oror orra orri orro ouac oucc oufc ouff ouii ouir our- oura ouro ouu- raaf rac- raca racc raci raco racu rafa rafc raff rafi raia raic raif raii rair raiu raoc rara rarf rari raro raua rauc rauf rcac rcaf rccc rcfc rcic rffc rfic riaa riai riau rica ricc rico rifa riff rifu riia riif riou riri roaf roar roca rocc roco rofc roff rofo roia roif roio roir roiu roof rooi roor rora rorc rori roro roru roua rouf rrfc rrif rrrr ruca ruci rufa rufc ruff rufo ruif rura rurc ruri ruro ruru uaca uafa uair uaoc uarc uaru uaua ucai ucar ucca ucci ucfa ucio ucrc ucua ufcu uffa ufra uica uira uirr uocc uofa uofo uor- urac urai urao urau urca urci urfa urff urfi uria uric urif uriu uro- uroa uroo urra urri urur uuoc uuri uuuu