a-be aaaa aaab aaac aaae aaal aaam aaba aabb aabc aabl aabm aaca aacb aacc aace aacl aacm aaea aaec aaem aage aala aalc aale aall aama aamb aamc aame abaa abab abac abae abag abal abam abb- abba abbb abbe abca abcb abcc abcl abec abee abel abgl abla able abma abmb abmc acaa acab acac acae acag acba acbl acca accc acce accm ace- acea acec acel acem acga acla aclc acle acma acmc acme acmg aeac aecb aecl aega aela aelc agac agag agal agam agba agca agcc agce agea agee agel agem agga agge agla aglc agle agma agmc agme alaa alac alae alag alal alam alb- alba albc albe albm alca alcc alce alea alec alee aleg alem alg- alga alge all- alla alle alll alma almc alme amaa amac amae amag amal amam amb- amba ambe amca amcc amec amee amel amga amla amm- amma amme baaa baal baam baba babb babe babm bac- baca bacc bace bael baga bage bagg bala balc bale ball balm bama bamb bamc bame baml bamm bbbb bbcm bbeb bbga bbgm bblb bbmg bcaa bcam bcbc bcbg bcca bccc bccl bccm bcec bcma beag beal beam beba bebb bebe beca beeb beeg beel beem bega begg bela bele belg bell belm bema beme bgca blaa blab blac blae blag blam blea bleb blee bleg blem blme bmaa bmag bmce caaa caab caac caal caam caba cabe cabg cac- caca cacc cace cacm caec caem caga cage cagg cala calc cale call calm cama camb camc came caml camm cbac cbal cbbc cbca cbcc cbce cbcl cbcm cbea cbec cbee cbga cbgb cblb cblc cbme ccaa ccab ccac ccag ccam ccba ccbc ccca cccb cccc cccl cccm ccee ccel ccga ccgc ccla cclc cclg cclm ccma ccmb ccmc ccmm ceac ceal ceba cec- ceca cece cecm ceeb ceec ceel ceem cege cel- cela celc cele cell cema cemb ceme cemm cgac cgal cgcc cgcg cgel cgmc clab clag clam clea clec clee cleg clem clmg cmaa cmac cmba cmbc cmcc cmea cmec cmla cmll cmmb cmmc cmml e-cl e-la eaba eaca eacc eaec eaga eage eagl eala ealc eale eama eame ebac ebal ebam ebba ebbc ebcc ebel ebla ecaa ecac ecal ecam ecbc ecbe ecca eccb eccc ecce eccl eccm ecem ecla ecma eeca eeea eeee eega eele egaa egae egal egba egbe egcc egcg egea egec egee egel egem eggb egge eglc egle egma egml el-b elab elac elal elam elba elbe elca elcb elce elea elec elee elem elgg ella elle elma elme elml emac emae emag emam emba embe emcc emel emle emlm emma emme emml gaal gaba gabb gabe gabl gace gaea gaec gael gaga gage gagg gala gale gall galm gam- gama gamb game gamm gbag gbmc gc-c gcaa gcal gcbc gccc gclc gclm gcma gcmc geab geal geba gebe geca gece geel gege gegg gegl gela gelb gele gelg gell gem- gema gemm ggcl gggg glaa glab glam glbc glcc glce gleb glee gleg glem glge glma gmac gmlc gmme gmml laaa laac laag laal laam laba labe laca lacc lace lacl lael laem lag- laga lage lagg lala lale lall lalm lama lamb lame lamm lbcc lbmc lcac lcbc lcca lccc lcce lccm leaa leag leal leam leba leca lece leea leel leem lega lege legg lela lele lell lema leme lemm lgca llcc llgc lllc llll lmcc maaa maac maag maal maam maba mabe mac- maca macb macc mace maee mael maem maga mage magg mal- mala male mall malm mama mamc mame mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mccl mcga mcla mcmc mcml meag meal mebe mec- meca mecc mece meel meem meg- mega mege megg mel- mela melb melc mele mell mema memc meme meml mgam mgga mgla mgle mlab mlba mlcc mlle mmaa mmab mmac mmcc mmcg mmcl mmcm mmea mmmc mmmm