a-be a-do aaaa aaab aaac aaad aaae aaal aaba aabb aabc aabd aabl aaca aacb aacc aacd aace aacl aaco aada aadc aade aaea aaec aage aala aalc aald aale aall aalo aaoe aaoo abaa abab abac abad abae abag abal abb- abba abbb abbe abbo abca abcb abcc abcd abcl abda abdo abec abed abee abel abgd abgl abla able ablo aboa abob abod abol aboo acaa acab acac acad acae acag acba acbl acca accc accd acce acco acda acdb acdc acde ace- acea acec aced acel acga acla aclc acle acoa acod acoe acog acol adaa adab adac adad adae adag adal adao adba adbc adcc adda addc addd adde addl addo adea adeb adee adel adeo adle adob adoc adod adoe adog adoo aeac aecb aecl aede aega aela aelc ag-o agac agad agag agal agao agba agbo agca agcc agce agco agda agde agea aged agee agel agga agge agla aglc agle agob agod agog agol agoo alaa alac alad alae alag alal alao alb- alba albc albe albo alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee aleg aleo alg- alga alge algo all- alla alle alll allo aloa aloc alod aloe alog alol aloo aoba aoca aoce aola aole baaa baad baal baba babb babe babo bac- baca bacc bace baco bada badb badd bade bado baed bael baga bage bagg bago bala balc bald bale ball balo baol bbad bbbb bbdd bbdo bbeb bbga bblb bcaa bcbc bcbg bcca bccc bccl bcda bcde bcec bdbc bddc bdle bdog bead beag beal beba bebb bebe bebo beca beda bede bedl bedo beeb beed beeg beel bega begg bego bela beld bele belg bell belo beo- beod bgca blaa blab blac blad blae blag bldc bldg blea bleb bled blee bleg bleo blob bloc blod blog bloo boab boac boad boag boal boba bobb bobe bobo boca boce boco boda bodb bode bodo boea boec boee boel boeo boga bogd boge bogg bogo bola bold bole bolg boll bolo boob booc bood booe boog bool c-bo c-cd caaa caab caac caal caba cabe cabg cabo cac- caca cacc cace caco cada cadc cadd cade cado caec caga cage cagg cago cala calc cald cale call calo caod caol cbac cbal cbbc cbca cbcc cbce cbcl cbdb cbdc cbdo cbea cbec cbee cbga cbgb cblb cblc cbol ccaa ccab ccac ccad ccag ccba ccbc ccca cccb cccc cccl ccdc cced ccee ccel ccga ccgc ccla cclc cclg ccob ccoc ccod cd-e cdaa cdac cdad cdba cdda cddb cddl cdec ceac cead ceal ceba cec- ceca cece ceco ceda cedd cede cedo ceeb ceec ceel cege cego cel- cela celc cele cell celo ceol cgac cgal cgcc cgcg cged cgel clab clad clag clcd cldc clea clec cled clee cleg cleo clob clod cloe clog cloo coad coag coal coba cobb cobe cobo coca coce coco coda codd code codl coed coel cogo col- cola colb cold cole coll colo coob cood cool d-bo daab daad daae daag daal daba dabb dabo daca dace dada dade dado daeb daga dage dagg dago dala dale dall dalo dbag dbcc dcbc dcca dccb dccc dccl dcdb dcgo dddd ddlc ddoc deac dead deae deal deba debe dec- deca decc decd dece decl deco deda dedd dede dedo deeb deed deeg deel dega dege dego dela deld dele dell delo deol dgac dgca dgeg dgge dglc dlab dlbd dlco dleg doab doae doal doba dobb dobe dobl doca doce doco dod- doda dodd dode dodg dodo doea doeg doel dog- doga doge dogg dogo dola dold dole doll dolo doob dood dool e-cl e-la eaba eaca eacc eada eadb eadd eaec eaga eage eagl eala ealc eald eale ebac ebal ebba ebbc ebbo ebcc ebed ebel ebla eboe ebol eboo ecaa ecac ecad ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecdc ecdl eced ecla eco- ecod ecog ecol edac edad edag edca edda eddc edde eddo ede- edea edel edge edla edle edoc edod eeca eede eeea eeee eega eele eeoc egaa egad egae egal egao egba egbe egcc egcg egea egec egee egel eggb egge eggo eglc egle ego- egol el-b elab elac elad elal elba elbe elbo elca elcb elce elco elda elde elea elec eled elee eleo elgg ella elle ello elod elog eocd eode eola eole eolo gaal gaba gabb gabe gabl gabo gace gada gadd gade gado gaea gaec gaed gael gaga gage gagg gago gala gald gale gall galo gaol gbag gbbo gbde gc-c gcaa gcal gcbc gccc gcda gclc gcoa gdal gdca gddb geab gead geal geba gebe geca gece geda gedd gede gedo geed geel gege gegg gegl gego gela gelb geld gele gelg gell gelo geo- geog geol ggcl gggg glaa glab glad glbc glcc glce glde gleb gled glee gleg gleo glge glob glod glog goad goal goba gobe gobl gobo goca goce goda gode godo goed goel goga gogo gola gold gole goll golo good goog gool laaa laac laad laag laal laba labe labo laca lacc lace lacl laco lada ladd lade lado lael lag- laga lage lagg lago lala lald lale lall lalo lbcc lcac lcad lcbc lcca lccc lcce lcdd ldeo leaa lead leag leal leao leba lebd lebo leca lece leco leda lede ledo leea leed leel lega lege legg lego lela lele lell lelo leoc leod leog lgca llao llcc lldb lldc llgc lllc llll lloa lloc llod lloo loac load lob- loba lobb lobe lobo loca locc loce loco loda lode loeb log- loga logb loge logo lola lold lole loll lolo loob looc lood looe lool o-eo oade oall obad obal obba obbo obea obec obed obel obla oble oboe obol ocab ocac ocad ocal ocbc occa occc oce oced ocee ocga oclc odac odal odbo odda oddd odea oded odel odeo odla odle odoo oec- oeca oecc oedo oeec oegb oela oele ogae ogb ogba ogbe ogdc ogdl ogea ogee ogel ogge ogla