-ase a-be aaaa aaab aaac aaae aaal aaar aaas aaba aabb aabc aabl aaca aacb aacc aace aacl aacr aacs aaea aaec aaes aala aalc aale aall aals aara aarc aare aars aasa aasc aase aass abaa abab abac abae abal abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcl abcr abcs abec abee abel aber abes abla able abls abra abrc abrs abs- absa abse absl abss acaa acab acac acae acar acas acba acbl acca accc acce accs ace- acea acec acel acer aces acla aclc acle aclr acls acr- acra acrc acre acrr acrs acsa acsc acse acsl acss aeac aeas aebs aecb aecl aeer aela aelc aer- aera aerc aers aesc aess alaa alac alae alal alar alas alb- alba albc albe albs alca alcc alce alcs alea alec alee aler ales all- alla alle alll allr alls alsa alsc alse arab arac arae aral arar aras arba arbe arbs arc- arca arce arcs area arec aree arel ares arla arle arr- arra arrc arre arrr arrs ars- arsa arsc arse asaa asab asac asae asal asar asas asba asc- asca ascb ascc asce ascl ascr asea asec asee asel aser ases asla asle aslr asra asrc asrs assa assc asse assl assr asss baaa baal baar baas baba babb babe babr babs bac- baca bacc bace bacs bael baer baes bala balc bale ball bals bar- bara barb barc bare barr bars basa basc base bass bbas bbbb bbbs bbeb bblb bbls bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccl bccs bcec bcer bces bcra bcrs bcsa bcsc bcsl bcss beal bear beas beba bebb bebe beca becs beeb beel beer bees bela bele bell bels bera berc bere berr bers bes- besa bese bess blaa blab blac blae blas blea bleb blee bles blls blrc blss brab brac brae bras brca brcb brce brea breb brec bree brel brer bres brls brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bslc bsra bssc bsse caaa caab caac caal caas caba cabe cabs cac- caca cacc cace cacr caec caer caes cala calc cale call cals cara carb carc care carl carr cars casa casb casc case casl casr cass cbac cbal cbar cbbc cbbs cbca cbcc cbce cbcl cbcr cbcs cbea cbec cbee cber cblb cblc cbre cbrl cbsa cbsc cbse ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccl cccs ccee ccel ccla cclc ccls ccra ccrc ccre ccrl ccrs ccsa ccsl ccss ceac ceal cear ceas ceba cebs cec- ceca cece cecs ceeb ceec ceel cees cel- cela celc cele cell cels cer- cera cerc cere cerl cers cesa cesc cese cesr cess clab clar clas clea clec clee cler cles clra clrs clsa clsc crab crac crar cras crbc crca crcc crce crcr cre- crea creb crec cree cres crls crsa crss csaa csab csac csar csas cscb cscc csce cscl cscr cscs csea csec csee cser csla cslr csra csrc csrs cssa csse cssr e-cl e-la eaba eaca eacc eaec eala ealc eale eara earb eare earl ears easa ease ebac ebal ebba ebbc ebbr ebbs ebcc ebel eber ebes ebla ebsa ecaa ecac ecal ecar ecbc ecbe ecca eccb eccc ecce eccl eces ecla ecra ecrc ecrl ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eele eels eera eerc eers eese el-b elab elac elal elar elas elba elbe elca elcb elce elea elec elee eler eles ella elle ells elra elsa else eral eras erba erbb erbe erca ercc erce ereb erec erel erer eres erla erle erll erra errc erre errs ersa erse esab esac esar esas esba esbs esca escb esce escr escs esea esee esel eser eses esla esra essa esse essl laaa laac laal laar laas laba labe labr labs laca lacc lace lacl lacs lael laer laes lala lale lall lara larb larc lare larr lars lasa lase lass lbar lbcc lblr lbrs lbsc lcac lcbc lcca lccc lcce lccs lcer lces lcls lcra lcrl lcrs lcsc lcsr leaa leal lear leas leba leca lece leea leel leer lees lela lele lell lera lerc lere lesa lese less llbs llcc llcs lles lllc llll lrac lral lrba lrcs lrrc lrrr lrse ls-r lscb lscs lsea lses lsla lsrc lssa lssr raab raas raba rabb rabe rabl rabs rac- raca racc race racs raec rael raer raes rala ralb rale rall rara rarb rare rars rasa rasc rase rasl rass rbbb rbbr rbbs rbcl rble rbsl rbss rcac rcas rcbc rccb rccc rccs rcle rcls rcsa rcsc rcsl rcss rea- reac reae real rear reas reba rebb rebe rebs reca recc rece recr recs reeb reel rees rela relb rele rell rels rera rere rers resa rese ress rlab rlcs rlee rlls rras rrle rrrr rsaa rscc rscs rsee rslc rsre rssa rssl sa-c saab saac saae saal saar saas saba sabb sabc sabe sabr sabs saca sacc sace sacr sacs saeb sael saer saes sala salc sale sall sals sara sarc sare sarl sarr sars sasa sasc sase sasl sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbsa sbse scaa scab scac scal scar scas scba sccc scce sccl sccs scea scec scee scel scer scl- sclc scls scr- scra scrc scre scrs scsa scsc scsl scsr se-c se-e se-s seaa seab seac seal sear seas seba sebe sebs sec- seca secc sece secr secs seea seeb seec seel seer sees sela selb sele sell sels sera serb serc sere serr sers sesa sesc sese sess slaa slab slac slae slas slcc slea sleb slee sler sles slrc slre slrs slsa slsc sras srbc srcc sreb srec sres ssaa ssab ssac ssas ssbr ssca sscc ssce sscs ssec ssee sses ssla sslc ssle ssra ssrc ssrl ssrs sssa sssb sssc ssss