a-ii aaaa aaac aaad aaaf aaai aaal aaca aacc aacd aacf aaci aacl aada aadc aadi aafa aafc aafd aaff aafi aafl aaic aaii aala aalc aald aali aall acaa acac acad acai acca accc accd accf acci acda acdc acdf acdi acfc acfd acfi acfl aci- acia acic acid acif acla aclc acli adaa adac adad adai adal adcc adci adda addc addd addi addl adfa adfc adfl adia adic adif adli afaa afad afca afcc afci afdc afdl affa affc affi afia afid afif afil afla aflc aiai aica aicc aicd aicf aida aidc aidi aifd aiff aifl aiia aiic aiid aila aild aili alaa alac alad alai alal alca alcc ald- alda aldi aldl alfa alfi ali- alia alid alif alii alil all- alla alli alll c-cd caaa caac caaf caal cac- caca cacc caci cada cadc cadd cadi cafa cafc caff cafl caia caic caid cail cala calc cald calf cali call ccaa ccac ccad ccaf ccai ccca cccc cccf ccci cccl ccdc ccdf ccdi ccfa ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccla cclc ccli cdaa cdac cdad cdai cdda cddl cdfa cdic cdii cdli cfaa cfac cfca cfcf cfcl cfda cfia ciaa cial cica cicc cici cida cidc cidi cifa ciff cifl ciia ciid ciii cila cili cill clad claf clai clcd cldc clic clif clii daad daal daca daci dada dadi dafa dafc daff dafi daia daid dail dala dalf dali dall dcca dccc dcci dccl dcfc dcia dcii dcil dcli dddd ddlc dfaf dfcc dffa dia- diac diad diaf dial dica dici dida didi dif- difa diff diii dila dilf dili dill dlia dlii dlil faaa faac faad faca facc fada fadd fadi fafa fafc faff fafi faid fail fala falc fald fali fall fcal fcca fccf fcda fcic fcii fdca fdic ffcc ffff ffii fiaa fiac fiad fiaf fial fica ficc fida fidc fidf fifa fifc fiff fifi fiii fiil fila fild fili fill flac flad flcl flia flic flid flii iaaa iaac iaai iaal iaca iacc iadc iafc iaff iafl iaia iala iall icaa icac icad icaf icai ical icca iccc iccf icci iccl icdc icdd icdl icll idad idca idda idfa idfc idia idic idid idil idli ifaa ifac ifcd ifda ific ifid ifil ifla iiac iica iicd iida iifa iiii iila ilac ilal ilca ilcd ilia ilic ill- illa illd illi laaa laac laad laal laca lacc laci lacl lada ladd ladi lafc laff laia laic laid lail lala lald lali lall lcac lcad lcca lccc lcdd lcfc lcia ldcf ldci ldif lfca lfcc liac lica lida lidl lifa liff lifl liia liii lila lili lill llcc lldc lllc llll