a-be aaaa aaab aaac aaad aaae aaal aaap aaar aaba aabb aabc aabd aabl aabp aaca aacb aacc aacd aace aacl aacp aacr aada aadc aade aaea aaec aaep aala aalc aald aale aall aapa aapc aapl aara aarc aard aare aarp abaa abab abac abad abae abal abap abar abb- abba abbb abbe abbr abca abcb abcc abcd abcl abcp abcr abda abec abed abee abel aber abla able abpa abpc abpd abpp abpr abra abrc acaa acab acac acad acae acap acar acba acbl acca accc accd acce accp acda acdb acdc acde acdp ace- acea acec aced acel acer acla aclc acle aclr acpa acpd acpe acpr acr- acra acrc acre acrr adaa adab adac adad adae adal adap adar adba adbc adcc adda addc addd adde addl addr adea adeb adee adel ader adle adp- adra adre aeac aeap aecb aecl aede aeer aela aelc aelp aer- aera aerc aerd al-p alaa alac alad alae alal alap alar alb- alba albc albe alca alcc alce ald- alda alde aldl alea alec aled alee alep aler all- alla alle alll allr alpa alpe alpl apac apal apap apar apba apbr apca apcb apcc apcd apcr apda apdd apea apec aped apel apep aper apl- apla aple aplp appa appc appd appl appr apra aprc apre arab arac arad arae aral arap arar arba arbe arc- arca arce arda ardc arde ardl area arec ared aree arel arep arla arle arpa arpe arpl arr- arra arrc arre arrr baaa baad baal baar baba babb babe babr bac- baca bacc bace bada badb badd bade badr baed bael baer bala balc bald bale ball bapa bapc bape bapp bar- bara barb barc bard bare barr bbad bbbb bbdd bbeb bblb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bccl bcda bcde bcec bcer bcpl bcpp bcra bd-r bdbc bddc bdle bdpc bead beal beap bear beba bebb bebe beca beda bede bedl beeb beed beel beep beer bela beld bele bell belp bera berc berd bere berr blaa blab blac blad blae bldc bldr blea bleb bled blee blrc bpcp bpda bpea bpel bprc bprd brab brac brad brae brca brcb brce brda brea breb brec bred bree brel brep brer brlp brrr c-cd caaa caab caac caal caap caba cabe cac- caca cacc cace cacr cada cadc cadd cade cadr caec caer cala calc cald cale call calp capa capb capc capd cape capp cara carb carc card care carl carp carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcp cbcr cbdb cbdc cbea cbec cbee cber cblb cblc cbpc cbpp cbrd cbre cbrl ccaa ccab ccac ccad ccap ccar ccba ccbc ccca cccb cccc cccl cccp ccdc ccdp ccdr cced ccee ccel ccla cclc ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp cd-e cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdec cder cdre ceac cead ceal cear ceba cebp cec- ceca cece cecp ceda cedd cede ceeb ceec ceel cel- cela celc cele cell cepa cepc cepe cepp cepr cer- cera cerc cerd cere cerl cerp clab clad clap clar clcd cldc cldr clea clec cled clee clep cler clpb clpp clra clrd cpaa cpac cpad cpap cpbc cpca cpce cpdl cpea cpeb cpep cper cplc cppa cppd cpre crab crac crap crar crbc crca crcc crce crcr crda crdc cre- crea creb crec cred cree crep crpc daab daad daae daal daap daar daba dabb dabp daca dace dada dade daeb daer dala dale dall dapa dape dapp dara darb darc dard dare darl darp darr dbar dbcc dbcp dblp dbpc dbpd dcbc dcca dccb dccc dccl dccp dcdb dcpl dcra dddd ddlc ddrc ddre deac dead deae deal deap dear deba debe dec- deca decc decd dece decl deda dedd dede deeb deed deel deep deer dela deld dele dell delp depa depc depe depp depr der- dera derb derc dere derp derr dlab dlbd dpaa dpac dpbc dpcp dper dpll dppa dppc draa drab drac drad drap drar drba drbc drca drda drea dred dree drel drra e-cl e-la eaba eaca eacc eada eadb eadd eadp eaec eala ealc eald eale eapc eapp eara earb eard eare earl earp ebac ebal ebba ebbc ebbr ebcc ebed ebel eber ebla ecaa ecac ecad ecal ecar ecbc ecbe ecca eccb eccc ecce eccl ecdc ecdl eced ecla ecpa ecpd ecpp ecra ecrc ecrl ecrr edac edad edar edca edda eddc edde eddp ede- edea edel eder edla edle edra eeca eede eeea eeee eele eera eerc el-b el-p elab elac elad elal elar elba elbe elca elcb elce elda elde eldr elea elec eled elee eler ella elle elpe elra epaa epac epad epcc epec epee eper eple epll eppa eppc eppp epra eprb eprp erad eral erap erba erbb erbe erca ercc erce ercp erda erde ereb erec ered erel erer erla erld erle erll erpa erpe erra errc erre laaa laac laad laal laap laar laba labe labr laca lacc lace lacl lacp lada ladd lade ladp lael laer lala lald lale lall lapa lapb lapc lapd lape lapp lara larb larc lard lare larp larr lbar lbcc lblr lcac lcad lcbc lcca lccc lcce lcdd lcdp lcdr lcer lcpa lcpc lcpd lcpl lcra lcrd lcrl lddp ldpc leaa lead leal leap lear leba lebd leca lece leda lede leea leed leel leep leer lela lele lell lepa lepe lepp lera lerc lerd lere lerp llcc lldb lldc lldp lllc llll lpac lpda lpec lpla lppl lprp lrac lral lrba lrdd lrrc lrrr paal paap paar paba paca pacd pace pada padd pade paea paec paep paer pala pale pall palp papa papb pape papp papr par- para parc pard pare parl parp parr pbac pbar pbcc pbed pbpa pcaa pcad pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcer pcll pcpb pcpp pcra pcrc pcrd pcre pcrl pdac pdca pdcp pdea pdlc pdpa pdpr pdrc peab peac peal peap pear peba pebl peca pece pecl