-al -er a-a a-b a-c aaa aab aac aad aae aal aap aar ab- aba abb abc abd abe abl abp abr ac- aca acb acc acd ace acl acp acr ad- ada adb adc add ade adl adp adr aea aeb aec aed aee ael aep aer al- ala alb alc ald ale all alp alr ap- apa apb apc apd ape apl app apr ar- ara arb arc ard are arl arp arr b-p baa bab bac bad bae bal bap bar bba bbb bbc bbd bbe bbl bbp bbr bca bcb bcc bcd bce bcl bcp bcr bda bdb bdc bdd bde bdl bdp bdr be- bea beb bec bed bee bel bep ber bla blb blc bld ble bll blp blr bpa bpb bpc bpd bpe bpl bpp bpr bra brb brd bre brl brp brr c-- caa cab cac cad cae cal cap car cba cbb cbc cbd cbe cbl cbp cbr cca ccb ccc ccd cce ccl ccp ccr cda cdb cdc cdd cde cdl cdp cdr ce- cea ceb cec ced cee cel cep cer cl- cla clb clc cld cle cll clp clr cpa cpb cpc cpd cpe cpl cpp cpr cra crb crc crd cre crl crp crr daa dab dac dad dae dal dap dar dba dbb dbc dbd dbe dbl dbp dbr dca dcb dcc dcd dce dcl dcp dcr dda ddb ddc ddd dde ddl ddp ddr de- dea deb dec ded dee del dep der dl- dla dlb dlc dld dle dll dlp dlr dpa dpb dpc dpd dpe dpl dpp dpr dra drb drc drd dre drl drp drr eaa eab eac ead eae eal eap ear eba ebb ebc ebd ebe ebl ebp ebr ec- eca ecb ecc ecd ece ecl ecr ed- eda edb edc edd ede edl edp edr eea eeb eec eed eee eel eep eer ela elb elc eld ele ell elp elr ep- epa epb epc epd epe epl epp epr era erb erc erd ere erl erp err l-p la- laa lab lac lad lae lal lap lar lba lbb lbc lbd lbe lbl lbp lbr lca lcb lcc lcd lce lcl lcp lcr lda ldb ldc ldd lde ldl ldp ldr lea leb lec led lee lel lep ler lla llb llc lld lle lll llp llr lpa lpb lpc lpd lpe lpl lpp lpr lra lrb lrc lrd lrp lrr p-p paa pab pac pad pae pal pap par pba pbb pbc pbd pbe pbl pbp pbr pca pcb pcc pcd pce pcl pcp pcr pda pdb pdc pdd pde pdl pdp pdr pea peb pec ped pee pel pep per pla plb plc pld ple pll plp plr ppa ppb ppc ppd ppe ppl ppp ppr pra prb prc prd pre prl prp prr ra- raa rab rac rad rae ral rap rar rba rbb rbc rbd rbe rbl rbp rbr rca rcb rcc rcd rce rcl rcp rcr rda rdb rdc rdd rde rdl rdp rdr re- rea reb rec red ree rel rep rer rla rlc rld rle rll rlp rlr rpa rpb rpc rpd rpe rpl rpp rpr rra rrb rrc rrd rrl rrp rrr

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