a-be aaaa aaab aaac aaae aaal aaap aaar aaba aabb aabc aabl aabp aabt aaca aacb aacc aace aacl aacp aacr aact aaea aaec aaep aala aalc aale aall aapa aapc aapl aapt aara aarc aare aarp aart aata aatc aatt abaa abab abac abae abal abap abar abat abb- abba abbb abbe abbr abbt abca abcb abcc abcl abcp abcr abct abec abee abel aber abet abla able abpa abpc abpp abpr abra abrc abta ac-t acaa acab acac acae acap acar acat acba acbl acca accc acce accp acct ace- acea acec acel acer acet acla aclc acle aclr acpa acpe acpr acpt acr- acra acrc acre acrr acta actc acte actl actt aeac aeap aecb aecl aect aeer aela aelc aelp aer- aera aerc aeta aetc aetr aett al-p alaa alac alae alal alap alar alat alb- alba albc albe alca alcc alce alea alec alee alep aler alet all- alla alle alll allr alpa alpe alpl alta alte apac apal apap apar apat apba apbr apca apcb apcc apcr apea apec apel apep aper apet apl- apla aple aplp appa appc appl appr appt apra aprc apre aprt apta aptc apte aptt arab arac arae aral arap arar arat arba arbe arc- arca arce arct area arec aree arel arep aret arla arle arpa arpe arpl arr- arra arrc arre arrr arrt arta artc arte artr at-l at-t ataa atab atac atae atal atap atar atat atca atcc atcl atcr atea atec atee atel atep ater atla atle atpr atra atrc atre atrp atta atte attp attr baaa baal baar baat baba babb babe babr bac- baca bacc bace bact bael baer bala balc bale ball balt bapa bapc bape bapp bapt bar- bara barb barc bare barr bart bata batc bate batt bbbb bbeb bbet bblb bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bccl bcec bcer bcet bcpl bcpp bcra bctc beal beap bear beat beba bebb bebe beca beeb beel beep beer beet bela bele bell belp belt bera berc bere berr bert beta betc bete bett blaa blab blac blae blat blbt blea bleb blee blet blrc bpcp bpea bpel bprc brab brac brae brat brca brcb brce brea breb brec bree brel brep brer bret brlp brrr brtc btaa btbp btcc btcl btec btla btlp btrc btrt bttb caaa caab caac caal caap caat caba cabe cac- caca cacc cace cacr caec caer cala calc cale call calp calt capa capb capc cape capp capt cara carb carc care carl carp carr cart cat- cata catb catc cate catt cbac cbal cbar cbat cbbc cbca cbcc cbce cbcl cbcp cbcr cbct cbea cbec cbee cber cbet cblb cblc cbpc cbpp cbre cbrl cbrt cbta cbtc cbtl ccaa ccab ccac ccap ccar ccat ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp ccrt cctb cctc cctl cctt ceac ceal cear ceat ceba cebp cec- ceca cece cecp cect ceeb ceec ceel cel- cela celc cele cell celt cepa cepc cepe cepp cepr cept cer- cera cerc cere cerl cerp cert cet- ceta cete cetp clab clap clar clat clea clec clee clep cler clet clpb clpp clra cltb cltc cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cplc cppa cpre cprt cptp cptr crab crac crap crar crat crbc crca crcc crce crcr cre- crea creb crec cree crep cret crpc crrt crtc crtl crtp ctab ctae ctal ctba ctca ctcp ctec ctep ctle ctpp ctrc ctrl ctrp ctta e-cl e-la eaba eaca eacc eaec eala ealc eale eapc eapp eara earb eare earl earp eart eata eate ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecat ecbc ecbe ecca eccb eccc ecce eccl ecct ecla eclt ecpa ecpp ecra ecrc ecrl ecrr ect- ecta ectc eeca eeea eeee eele eera eerc eeta eetc eete el-b el-p elab elac elal elar elat elba elbe elca elcb elce elea elec elee eler elet ella elle elpe elra elta elte epaa epac epcc epec epee eper eple epll eppa eppc eppp epra eprb eprp epta epte eral erap erat erba erbb erbe erca ercc erce ercp ereb erec erel erer eret erla erle erll erpa erpe erra errc erre erta ertl etal etap etat etbc etbr etcc etec etee etel eter etla etra etre etta ette laaa laac laal laap laar laat laba labe labr laca lacc lace lacl lacp lact lael laer laet lala lale lall lapa lapb lapc lape lapp lapt lara larb larc lare larp larr lart lata latc late latt lbar lbcc lblr lbrt lcac lcat lcbc lcca lccc lcce lcer lcpa lcpc lcpl lcra lcrl lctl leaa leal leap lear leat leba leca lece lect leea leel leep leer leet lela lele lell lepa lepe lepp lept lera lerc lere lerp lert leta lete lett llat llcc llet lllc llll lpac lpec lpla lppl lprp lptb lrac lral lrat lrba lrrc lrrr lrta ltac ltae ltap ltbl ltcc ltee ltpa ltra lttc lttr paal paap paar paat paba pabt paca pace pact paea paec paep paer pala pale pall palp palt papa papb pape papp papr par- para parc pare parl parp parr part pata pate patr patt pbac pbar pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcer pcll pcpb pcpp pcra pcrc pcre pcrl pcte peab peac peal peap pear peat peba pebl peca pece pecl pecr pect peec peel peep peer peet pel- pela pelb pele pell pelt pepa pepe per- pera perc pere perl perp perr pert peta pete petr pett plaa plab plac plap plar plat plbr plcc plce ple- plea pleb plec plee plet plpa plpp plra pltt ppac ppal ppap ppar ppcc pper pple pppa pppp pprc ppta pptt prae prar prat prbc prca prcc prcp pre- preb prec pree prel prep pret prle prlr prtc prtp prtr ptab ptal ptbl ptca ptcc ptcl pter pttc