a-be a-ha aaaa aaab aaac aaae aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aace aach aacl aacr aaea aaec aaha aahl aala aalc aale aall aara aarc aare abaa abab abac abae abal abar abb- abba abbb abbe abbr abca abcb abcc abch abcl abcr abec abee abel aber abha abhr abla able abra abrc acaa acab acac acae acar acba acbl acca accc acce acch ace- acea acec aceh acel acer acha ache achh achl achr acla aclc acle aclr acr- acra acrc acre acrr aeac aecb aecl aeer aela aelc aer- aera aerc ahab ahac ahah ahal ahar ahel ahha ahla ahle ahra ahrc ahre ahrr alaa alac alae alal alar alb- alba albc albe alca alcc alce alea alec alee aleh aler alha all- alla alle allh alll allr arab arac arae arah aral arar arba arbe arbh arc- arca arce arch area arec aree areh arel arh- arla arle arr- arra arrc arre arrh arrr baaa baah baal baar baba babb babe babr bac- baca bacc bace bach bael baer baha bahl bahr bala balc bale ball bar- bara barb barc bare barh barr bbbb bbch bbeb bblb bbrc bcaa bcar bcbc bcca bccc bccl bcec bcer bche bcra beah beal bear beba bebb bebe beca bech beeb beel beer behr bela bele bell bera berc bere berr bhar bhca bhcc bhel bher bhra blaa blab blac blae blah blea bleb blee bleh blrc brab brac brae brah brca brcb brce brea breb brec bree brel brer brrr caaa caab caac caah caal caba cabe cac- caca cacc cace cach cacr caec caer caha cahe cahl cala calc cale call cara carb carc care carl carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcr cbea cbec cbee cber cbha cbhl cblb cblc cbre cbrh cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccee ccel ccha cche cchl cchr ccla cclc ccra ccrc ccre ccrl ceac ceal cear ceba cec- ceca cece ceeb ceec ceel cehl cel- cela celc cele cell cer- cera cerc cere cerl chaa chab chac chae chah chal char chca chce chch chea cheb chec chee cheh chel cher chha chlc chlr chra chrb chrc chrr clab clar clea clec clee cler clra crab crac crar crbc crca crcc crce crcr cre- crea creb crec cree creh e-cl e-la eaba eabh eaca eacc each eaec eala ealc eale eara earb eare earh earl ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecbc ecbe ecca eccb eccc ecce eccl echa eche echl ecla ecra ecrc ecrl ecrr eeca eeea eeee eele eera eerc ehaa ehcc ehea eheh ehel eher ehle ehre el-b elab elac elah elal elar elba elbe elca elcb elce elch elea elec elee eleh eler ella elle elra eral erba erbb erbe erca ercc erce erch ereb erec erel erer erhc erla erle erll erra errc erre haab haal haar haba habe hace haec haha hal- hala halb hale hall hara harc hare harh harl harr hbar hcbc hcca hccb hccc hcch heah heal hear hebb hebe hebr heca hech heeb heel heer hehe hela hele hell hera herb herc here herl herr hhaa hhcl hhhh hhla hlah hler hrac hrbl hree hrrc laaa laac laal laar laba labe labr laca lacc lace lach lacl lael laer laha lahe lahr lala lale lall lara larb larc lare larr lbar lbcc lblr lcac lcbc lcca lccc lcce lcer lchc lchr lcra lcrl leaa leah leal lear leba leca lece lech leea leel leer lehe lehr lela lele lell lera lerc lere lhec lhee lhhh llcc lllc llll lrac lral lrba lrrc lrrr raab raba rabb rabe rabl rac- raca racc race rach raec rael raer raha rahe rahl rahr rala ralb rale rall rara rarb rare rbbb rbbr rbcl rble rcac rcbc rccb rccc rchb rcle rea- reac reae real rear reba rebb rebe reca recc rece rech recr reeb reel reha rehb rehe rela relb rele rell rera rere rhae rhce rhea rheb rhee rlab rlee rrah rrle rrrr