a-ii aaaa aaac aaaf aaai aaal aaca aacc aacf aaci aacl aaco aafa aafc aaff aafi aafl aaic aaii aala aalc aali aall aalo aaoo acaa acac acai acca accc accf acci acco acfc acfi acfl aci- acia acic acif acla aclc acli acoa acol afaa afao afca afcc afci affa affc affi affo afia afif afil afla aflc afoa afol afoo aiai aica aicc aicf aiff aifl aiia aiic aila aili aioc aioi alaa alac alai alal alao alca alcc alco alfa alfi ali- alia alif alii alil alio all- alla alli alll allo aloa aloc alof aloi alol aloo aoca aola caaa caac caaf caal cac- caca cacc caci caco cafa cafc caff cafl caia caic cail caio cala calc calf cali call calo caoi caol ccaa ccac ccaf ccai ccca cccc cccf ccci cccl ccfa ccfc ccff ccfi ccfl ccic ccii ccil ccla cclc ccli ccoc cfaa cfac cfao cfca cfcf cfcl cfco cfia cfoa ciaa cial ciao cica cicc cici cico cifa ciff cifl ciia ciii cila cili cill cilo claf clai clic clif clii clio clof cloo coai coal coca coco cofc coff cofi coia coif coil col- cola coli coll colo coof cool faaa faac faca facc fafa fafc faff fafi fafo fail faio fala falc fali fall falo fcal fcca fccf fcic fcii ffcc ffff ffii fiaa fiac fiaf fial fica ficc fico fifa fifc fiff fifi fifo fiii fiil fila fili fill filo flac flao flcl flia flic flii floc floo foaf foal foca foci foco fofo foia foil fola folc foli foll folo foof fool iaaa iaac iaai iaal iaca iacc iafc iaff iafl iaia iala iall icaa icac icaf icai ical icao icca iccc iccf icci iccl icco icll icoc ifaa ifac ifao ifco ific ifil ifla iiac iica iifa iiii iiio iila iioi iioo ilac ilal ilca ilia ilic ilio ill- illa illi illo iloc iloo ioci iofc ioii ioio iola iolo ioof iooi iooo laaa laac laal laca lacc laci lacl laco lafc laff laia laic lail lala lali lall lalo lcac lcca lccc lcfc lcia lfca lfcc liac liao lica lico lifa liff lifl lifo liia liii lila lili lill lilo lio- llao llcc lllc llll lloa lloc lloo loac loaf loca locc loci loco lofa loff lofi loic loif lola loli loll lolo looc loof lool oafc oafo oaic oall ocac ocal occa occc occi ocfa oclc ofcl off- offa offc offo ofla oici oiii oila olac olaf olca olcc olfa olia olic olio olla olli ollo olof ooaa ooff ooia oola oolo oooo