a-do aaaa aaac aaad aaae aaaf aaal aaca aacc aacd aace aacf aacl aaco aada aadc aade aaea aaec aafa aafc aafd aaff aafl aala aalc aald aale aall aalo aaoe aaoo acaa acac acad acae acca accc accd acce accf acco acda acdc acde acdf ace- acea acec aced acel acfc acfd acfe acfl acla aclc acle acoa acod acoe acol adaa adac adad adae adal adao adcc adda addc addd adde addl addo adea adee adel adeo adfa adfc adfl adle adoc adod adoe adoo aeac aeaf aecl aede aela aelc afaa afad afao afca afcc afdc afdl afee afel affa affc affo afla aflc afle afoa afoe afol afoo alaa alac alad alae alal alao alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee alef aleo alfa alfe all- alla alle alll allo aloa aloc alod aloe alof alol aloo aoca aoce aola aole c-cd caaa caac caaf caal cac- caca cacc cace caco cada cadc cadd cade cado caec cafa cafc cafe caff cafl cala calc cald cale calf call calo caod caol ccaa ccac ccad ccaf ccca cccc cccf cccl ccdc ccdf cced ccee ccel ccfa ccfc ccfd ccff ccfl ccla cclc ccoc ccod cd-e cdaa cdac cdad cdda cddl cdec cdef cdfa cdfe ceac cead ceal cec- ceca cece ceco ceda cedd cede cedo ceec ceel cef- cefa cefc cel- cela celc cele celf cell celo ceol cfaa cfac cfae cfao cfca cfcf cfcl cfco cfda cfoa clad claf clcd cldc clea clec cled clee clef cleo clod cloe clof cloo coad coal coca coce coco coda codd code codl coed coel cofc cofe coff col- cola cold cole coll colo cood coof cool daad daae daal daca dace dada dade dado dafa dafc dafe daff dafo dala dale dalf dall dalo dcca dccc dccl dcfc dddd ddlc ddoc deac dead deae deaf deal dec- deca decc decd dece decl deco deda dedd dede dedo deed deef deel defe deff defo dela deld dele delf dell delo deol dfaf dfcc dfco dffa dfoe dlco doae doal doca doce doco dod- doda dodd dode dodo doea doel doff dola dold dole dolf doll dolo dood doof dool e-cl e-la eaaf eaca eacc eada eadd eaec eala ealc eald eale ecaa ecac ecad ecal ecao ecca eccc ecce eccl ecco ecdc ecdf ecdl eced ecef ecfa ecfc ecla eco- ecod ecol edac edad edca edda eddc edde eddo ede- edea edel edfa edfl edla edle edoc edod eeca eede eeea eeee eefa eefe eefl eele eeoc efca efco efda efeo effa efla elac elad elal elca elce elco elda elde elea elec eled elee elef eleo elfa elfc elfe ella elle ello elod eocd eode eola eole eolo faaa faac faad faca facc face fada fadd fade fado fafa fafc fafe faff fafo fala falc fald fale fall falo fcal fcca fccf fcda fdca fdoa fdoc fead feaf feal fece feda fede feed feel fefc fefe feff fefo fela feld fele felf fell felo feod feof ffcc ffee ffff flac flad flae flao flcl flea fled flee floc flod floe floo foad foaf foal foca foce foco foda fode foed fofo fola folc fold fole foll folo food foof fool laaa laac laad laal laca lacc lace lacl laco lada ladd lade lado lael lafc lafe laff lala lald lale lall lalo lcac lcad lcca lccc lcce lcdd lcfc ldcf ldeo leaa lead leaf leal leao leca lece leco leda lede ledo leea leed leef leel lefa lefe leff lela lele lell lelo leoc leod leof lfca lfcc llao llcc lldc llef lllc llll lloa lloc llod lloo loac load loaf loca locc loce loco loda lode lofa lofe loff lola lold lole loll lolo looc lood looe loof lool o-eo oade oafc oafo oall ocac ocad ocal occa occc oce oced ocee ocef ocfa oclc odac odal odda oddd odea oded odel odeo odla odle odoo oec- oeca oecc oedo oeec oela oele ofcl off- offa offc offe offo ofla olac olaf olca olcc olde ole- olea oled olef oleo olfa olfe olla olle ollo olof ooaa ooda ooff oola oold oolo oooo