-al -er -up a-a a-b a-c aaa aab aac aad aae aal aap aar aau ab- aba abb abc abd abe abl abp abr abu ac- aca acb acc acd ace acl acp acr acu ad- ada adb adc add ade adl adp adr adu aea aeb aec aed aee ael aep aer aeu al- ala alb alc ald ale all alp alr alu ap- apa apb apc apd ape apl app apr apu ar- ara arb arc ard are arl arp arr aru au- aua aub auc aud aue aul aup aur b-p b-u baa bab bac bad bae bal bap bar bau bba bbb bbc bbd bbe bbl bbp bbr bbu bca bcb bcc bcd bce bcl bcp bcr bcu bda bdb bdc bdd bde bdl bdp bdr bdu be- bea beb bec bed bee bel bep ber beu bla blb blc bld ble bll blp blr blu bpa bpb bpc bpd bpe bpl bpp bpr bpu bra brb brd bre brl brp brr bru bua bub buc bud bue bul bup bur buu c-- caa cab cac cad cae cal cap car cau cba cbb cbc cbd cbe cbl cbp cbr cbu cca ccb ccc ccd cce ccl ccp ccr ccu cda cdb cdc cdd cde cdl cdp cdr cdu ce- cea ceb cec ced cee cel cep cer ceu cl- cla clb clc cld cle cll clp clr clu cpa cpb cpc cpd cpe cpl cpp cpr cpu cra crb crc crd cre crl crp crr cru cua cub cuc cud cue cul cup cur cuu daa dab dac dad dae dal dap dar dau dba dbb dbc dbd dbe dbl dbp dbr dbu dca dcb dcc dcd dce dcl dcp dcr dcu dda ddb ddc ddd dde ddl ddp ddr ddu de- dea deb dec ded dee del dep der deu dl- dla dlb dlc dld dle dll dlp dlr dlu dpa dpb dpc dpd dpe dpl dpp dpr dpu dra drb drc drd dre drl drp drr dru dua dub duc dud due dul dup dur eaa eab eac ead eae eal eap ear eau eba ebb ebc ebd ebe ebl ebp ebr ebu ec- eca ecb ecc ecd ece ecl ecr ecu ed- eda edb edc edd ede edl edp edr edu eea eeb eec eed eee eel eep eer ela elb elc eld ele ell elp elr elu ep- epa epb epc epd epe epl epp epr epu era erb erc erd ere erl erp err eru eu- eua eub euc eud eue eul eup eur l-p la- laa lab lac lad lae lal lap lar lau lba lbb lbc lbd lbe lbl lbp lbr lbu lca lcb lcc lcd lce lcl lcp lcr lcu lda ldb ldc ldd lde ldl ldp ldr ldu lea leb lec led lee lel lep ler leu lla llb llc lld lle lll llp llr llu lpa lpb lpc lpd lpe lpl lpp lpr lpu lra lrb lrc lrd lrp lrr lru lua lub luc lud lue lul lup lur luu p-p paa pab pac pad pae pal pap par pau pba pbb pbc pbd pbe pbl pbp pbr pbu pca pcb pcc pcd pce pcl pcp pcr pcu pda pdb pdc pdd pde pdl pdp pdr pdu pea peb pec ped pee pel pep per peu pla plb plc pld ple pll plp plr plu ppa ppb ppc ppd ppe ppl ppp ppr ppu pra prb prc prd pre prl prp prr pru pua pub puc pud pue pul pup pur puu ra- raa rab rac rad rae ral rap rar rau rba rbb rbc rbd rbe rbl rbp rbr rbu rca rcb rcc rcd rce rcl rcp rcr rcu rda rdb rdc rdd rde rdl rdp rdr rdu re- rea reb rec red ree rel rep rer reu rla rlc rld rle rll rlp rlr rlu rpa rpb rpc rpd rpe rpl rpp rpr rpu rra rrb rrc rrd rrl rrp rrr rru rua rub ruc rud rue rup rur ruu ua- uaa uab uac uad uae ual uap uar uau uba ubb ubc ube ubl ubp ubr ubu uca ucb ucc ucd uce ucl ucp ucr ucu uda udb udc udd ude udl udp udr udu uea ueb uec ued uee uel uep uer ula ulb ulc uld ule ull ulp ulr ulu up- upa upb upc upd upe upp upr upu ur- ura urb urc urd ure url urp urr uru uua uuc uue uur uuu

a-be aaaa aaab aaac aaad aaae aaal aaap aaar aaba aabb aabc aabd aabl aabp aaca aacb aacc aacd aace aacl aacp aacr aacu aada aadc aade aadu aaea aaec aaep aala aalc aald aale aall aalu aapa aapc aapl aara aarc aard aare aarp aaru aaup abaa abab abac abad abae abal abap abar abau abb- abba abbb abbe abbr abca abcb abcc abcd abcl abcp abcr abda abdu abec abed abee abel aber abla able abpa abpc abpd abpp abpr abra abrc abua abud abue abul acaa acab acac acad acae acap acar acba acbl acca accc accd acce accp accu acda acdb acdc acde acdp ace- acea acec aced acel acer acla aclc acle aclr aclu acpa acpd acpe acpr acpu acr- acra acrc acre acrr acu- acue acul acup acur adaa adab adac adad adae adal adap adar adba adbc adcc adda addc addd adde addl addr addu adea adeb adee adel ader adle adp- adra adre adua adub adue adur aeac aeap aecb aecl aede aeer aela aelc aelp aer- aera aerc aerd al-p alaa alac alad alae alal alap alar alau alb- alba albc albe albu alca alcc alce ald- alda alde aldl alea alec aled alee alep aler aleu all- alla alle alll allr allu alpa alpe alpl alpu alua alur apac apal apap apar apba apbr apca apcb apcc apcd apcr apda apdd apdu apea apec aped apel apep aper apeu apl- apla aple aplp aplu appa appc appd appl appr appu apra aprc apre apua apuc apud