-al -er a-a a-b a-c aaa aab aac aae aal aap aar ab- aba abb abc abe abl abp abr ac- aca acb acc ace acl acp acr aea aeb aec aee ael aep aer al- ala alb alc ale all alp alr ap- apa apb apc ape apl app apr ar- ara arb arc are arl arp arr b-p baa bab bac bae bal bap bar bba bbb bbc bbe bbl bbp bbr bca bcb bcc bce bcl bcp bcr be- bea beb bec bee bel bep ber bla blb blc ble bll blp blr bpa bpb bpc bpe bpl bpp bpr bra brb bre brl brp brr c-- caa cab cac cae cal cap car cba cbb cbc cbe cbl cbp cbr cca ccb ccc cce ccl ccp ccr ce- cea ceb cec cee cel cep cer cl- cla clb clc cle cll clp clr cpa cpb cpc cpe cpl cpp cpr cra crb crc cre crl crp crr eaa eab eac eae eal eap ear eba ebb ebc ebe ebl ebp ebr ec- eca ecb ecc ece ecl ecr eea eeb eec eee eel eep eer ela elb elc ele ell elp elr ep- epa epb epc epe epl epp epr era erb erc ere erl erp err l-p la- laa lab lac lae lal lap lar lba lbb lbc lbe lbl lbp lbr lca lcb lcc lce lcl lcp lcr lea leb lec lee lel lep ler lla llb llc lle lll llp llr lpa lpb lpc lpe lpl lpp lpr lra lrb lrc lrp lrr p-p paa pab pac pae pal pap par pba pbb pbc pbe pbl pbp pbr pca pcb pcc pce pcl pcp pcr pea peb pec pee pel pep per pla plb plc ple pll plp plr ppa ppb ppc ppe ppl ppp ppr pra prb prc pre prl prp prr ra- raa rab rac rae ral rap rar rba rbb rbc rbe rbl rbp rbr rca rcb rcc rce rcl rcp rcr re- rea reb rec ree rel rep rer rla rlc rle rll rlp rlr rpa rpb rpc rpe rpl rpp rpr rra rrb rrc rrl rrp rrr

a-be aaaa aaab aaac aaae aaal aaap aaar aaba aabb aabc aabl aabp aaca aacb aacc aace aacl aacp aacr aaea aaec aaep aala aalc aale aall aapa aapc aapl aara aarc aare aarp abaa abab abac abae abal abap abar abb- abba abbb abbe abbr abca abcb abcc abcl abcp abcr abec abee abel aber abla able abpa abpc abpp abpr abra abrc acaa acab acac acae acap acar acba acbl acca accc acce accp ace- acea acec acel acer acla aclc acle aclr acpa acpe acpr acr- acra acrc acre acrr aeac aeap aecb aecl aeer aela aelc aelp aer- aera aerc al-p alaa alac alae alal alap alar alb- alba albc albe alca alcc alce alea alec alee alep aler all- alla alle alll allr alpa alpe alpl apac apal apap apar apba apbr apca apcb apcc apcr apea apec apel apep aper apl- apla aple aplp appa appc appl appr apra aprc apre arab arac arae aral arap arar arba arbe arc- arca arce area arec aree arel arep arla arle arpa arpe arpl arr- arra arrc arre arrr baaa baal baar baba babb babe babr bac- baca bacc bace bael baer bala balc bale ball bapa bapc bape bapp bar- bara barb barc bare barr bbbb bbeb bblb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bccl bcec bcer bcpl bcpp bcra beal beap bear beba bebb bebe beca beeb beel beep beer bela bele bell belp bera berc bere berr blaa blab blac blae blea bleb blee blrc bpcp bpea bpel bprc brab brac brae brca brcb brce brea breb brec bree brel brep brer brlp brrr caaa caab caac caal caap caba cabe cac- caca cacc cace cacr caec caer cala calc cale call calp capa capb capc cape capp cara carb carc care carl carp carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcp cbcr cbea cbec cbee cber cblb cblc cbpc cbpp cbre cbrl ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp ceac ceal cear ceba cebp cec- ceca cece cecp ceeb ceec ceel cel- cela celc cele cell cepa cepc cepe cepp cepr cer- cera cerc cere cerl cerp clab clap clar clea clec clee clep cler clpb clpp clra cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cplc cppa cpre crab crac crap crar crbc crca crcc crce crcr cre- crea creb crec cree crep crpc e-cl e-la eaba eaca eacc eaec eala ealc eale eapc eapp eara earb eare earl earp ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecbc ecbe ecca eccb eccc ecce eccl ecla ecpa ecpp ecra ecrc ecrl ecrr eeca eeea eeee eele eera eerc el-b el-p elab elac elal elar elba elbe elca elcb elce elea elec elee eler ella elle elpe elra epaa epac epcc epec epee eper eple epll eppa eppc eppp epra eprb eprp eral erap erba erbb erbe erca ercc erce ercp ereb erec erel erer erla erle erll erpa erpe erra errc erre laaa laac laal laap laar laba labe labr laca lacc lace lacl lacp lael laer lala lale lall lapa lapb lapc lape lapp lara larb larc lare larp larr lbar lbcc lblr lcac lcbc lcca lccc lcce lcer lcpa lcpc lcpl lcra lcrl leaa leal leap lear leba leca lece leea leel leep leer lela lele lell lepa lepe lepp lera lerc lere lerp llcc lllc llll lpac lpec lpla lppl lprp lrac lral lrba lrrc lrrr paal paap paar paba paca pace paea paec paep paer pala pale pall palp papa papb pape papp papr par- para parc pare parl parp parr pbac pbar pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcer