a-be aaaa aaab aaac aaae aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aace aacl aacm aacr aaea aaec aaem aala aalc aale aall aama aamb aamc aame aamr aara aarc aare aarm abaa abab abac abae abal abam abar abb- abba abbb abbe abbr abca abcb abcc abcl abcr abec abee abel aber abla able abma abmb abmc abra abrc acaa acab acac acae acar acba acbl acca accc acce accm ace- acea acec acel acem acer acla aclc acle aclr acma acmc acme acr- acra acrc acre acrm acrr aeac aecb aecl aeer aela aelc aer- aera aerc alaa alac alae alal alam alar alb- alba albc albe albm alca alcc alce alea alec alee alem aler all- alla alle alll allr alma almc alme amaa amac amae amal amam amar amb- amba ambe ambr amca amcc amec amee amel amer amla amm- amma amme amra amrc amrl arab arac arae aral aram arar arba arbe arc- arca arce arcm area arec aree arel arem arla arle arma armc arme arml armm arr- arra arrc arre arrr baaa baal baam baar baba babb babe babm babr bac- baca bacc bace bael baer bala balc bale ball balm bama bamb bamc bame baml bamm bar- bara barb barc bare barm barr bbbb bbcm bbeb bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcec bcer bcma bcra beal beam bear beba bebb bebe beca beeb beel beem beer bela bele bell belm bema beme bera berc bere berm berr blaa blab blac blae blam blea bleb blee blem blme blrc bmaa bmce brab brac brae bram brca brcb brce brea breb brec bree brel brem brer brmc brrm brrr caaa caab caac caal caam caba cabe cac- caca cacc cace cacm cacr caec caem caer cala calc cale call calm cama camb camc came caml camm cara carb carc care carl carm carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcm cbcr cbea cbec cbee cber cblb cblc cbme cbre cbrl cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccl cccm ccee ccel ccla cclc cclm ccma ccmb ccmc ccmm ccra ccrc ccre ccrl ceac ceal cear ceba cec- ceca cece cecm ceeb ceec ceel ceem cel- cela celc cele cell cema cemb ceme cemm cemr cer- cera cerc cere cerl clab clam clar clea clec clee clem cler clra cmaa cmac cmba cmbc cmcc cmea cmec cmla cmll cmmb cmmc cmml cmra cmrr crab crac cram crar crbc crca crcc crce crcr cre- crea creb crec cree crem crmb e-cl e-la eaba eaca eacc eaec eala ealc eale eama eame eara earb eare earl ebac ebal ebam ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecam ecar ecbc ecbe ecca eccb eccc ecce eccl eccm ecem ecla ecma ecra ecrc ecrl ecrm ecrr eeca eeea eeee eele eera eerc el-b elab elac elal elam elar elba elbe elca elcb elce elea elec elee elem eler ella elle elma elme elml elra emac emae emam emar emba embe embr emcc emel emer emle emlm emma emme emml emra emre eral eram erba erbb erbe erca ercc erce ereb erec erel erem erer erla erle erll erma ermc erme erra errc erre laaa laac laal laam laar laba labe labr laca lacc lace lacl lael laem laer lala lale lall lalm lama lamb lame lamm lamr lara larb larc lare larm larr lbar lbcc lblr lbmc lcac lcbc lcca lccc lcce lccm lcer lcra lcrl leaa leal leam lear leba leca lece leea leel leem leer lela lele lell lema leme lemm lera lerc lere lerm llcc lllc llll lmcc lmmr lrac lral lram lrba lrmc lrrc lrrr maaa maac maal maam maar maba mabe mac- maca macb macc mace macr maee mael maem maer mal- mala male mall malm mama mamc mame mar- mara marc mare marl marm marr mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mccl mcla mcmc mcml mcrc meal mear mebe mec- meca mecc mece mecr meel meem meer mel- mela melb melc mele mell mema memc meme meml memr mer- mera merb merc mere merl merm mlab mlba mlcc mlle mmaa mmab mmac mmar mmcc mmcl mmcm mmea mmmc mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrce mreb mree mrmc mrml mrrc raab raam raba rabb rabe rabl rac- raca racc race raec rael raer rala ralb rale rall rama ramb rame raml ramm rara rarb rare rbbb rbbr rbcl rble rcac rcbc rccb rccc rcle rea- reac reae real ream rear reba rebb rebe reca recc rece recm recr reeb reel reem rela relb rele rell relm rema reme rera rere rlab rlee rlml rmll rrle rrmc rrrr