aaaa aaac aaaf aaal aaca aacc aacf aacl aaco aact aafa aafc aaff aafl aala aalc aall aalo aaoo aata aatc aatf aatt ac-t acaa acac acat acca accc accf acco acct acfc acfl acft acla aclc acoa acol acot acta actc actf actl acto actt afaa afao afat afca afcc affa affc affo afft afla aflc afoa afol afoo afta aftc alaa alac alal alao alat alca alcc alco alfa all- alla alll allo aloa aloc alof alol aloo alot alta alto aoca aola aotc aotf at-l at-t ataa atac atal atat atca atcc atcf atcl atco atfc atla atlo atoc atof atol atot atta atto caaa caac caaf caal caat cac- caca cacc caco cafa cafc caff cafl cala calc calf call calo calt caol cat- cata catc catf cato catt ccaa ccac ccaf ccat ccca cccc cccf cccl ccfa ccfc ccff ccfl ccla cclc ccoc cctc cctl cctt cfaa cfac cfao cfca cfcf cfcl cfco cfoa cfta cftc cftl claf clat clof cloo clot cltc coal coat coca coco coct cofc coff coft col- cola coll colo colt coof cool coot cota cotc coto cott ctal ctca ctcf ctfc ctfo ctol ctot ctta faaa faac faca facc fact fafa fafc faff fafo fala falc fall falo falt fata fatc fatf fato fatt fcal fcat fcca fccf fcot fcto ffcc ffff fftf flac flao flat flcl floc floo flot foaf foal foca foco fofo fola folc foll folo folt foof fool foot fota foto fott ft-c ft-l ftfc laaa laac laal laat laca lacc lacl laco lact lafc laff laft lala lall lalo lata latc lato latt lcac lcat lcca lccc lcfc lctl lcto lfat lfca lfcc llao llat llcc lllc llll lloa lloc lloo loac loaf loat loca locc loco lofa loff loft lola loll lolo looc loof lool loot lota lotl loto lott ltac ltcc ltfc lttc oafc oafo oall ocac ocal ocat occa occc occt ocfa oclc oct- octa octo ofcl off- offa offc offo ofla ofta olac olaf olat olca olcc olfa olla ollo olof olot olta ooaa ooff oola oolo oooo otac otcl otfc oto- otof otoo otta otto taa- taaf taal taat taca tacc tacl taco tact tafa tafc taff tafo taft tala talc tall talo taoa tata tato tatt tcca tccc tcfc tctc tfal tfca tfot tftc tlac tlco toal toat toca toco tofa toff tofo toft tol- tola toll tolo tolt tooa toof tool toot tota totc toto tott ttfa ttfc ttff tttt