-al -er a-a a-b aaa aab aad aae aal aap aar aas ab- aba abb abd abe abl abp abr abs ad- ada adb add ade adl adp adr ads aea aeb aed aee ael aep aer aes al- ala alb ald ale all alp alr als ap- apa apb apd ape apl app apr aps ar- ara arb ard are arl arp arr ars as- asa asb asd ase asl asp asr ass b-p baa bab bad bae bal bap bar bas bba bbb bbd bbe bbl bbp bbr bbs bda bdb bdd bde bdl bdp bdr bds be- bea beb bed bee bel bep ber bes bla blb bld ble bll blp blr bls bpa bpb bpd bpe bpl bpp bpr bps bra brb brd bre brl brp brr brs bsa bsb bsd bse bsl bsp bsr bss daa dab dad dae dal dap dar das dba dbb dbd dbe dbl dbp dbr dbs dda ddb ddd dde ddl ddp ddr dds de- dea deb ded dee del dep der des dl- dla dlb dld dle dll dlp dlr dls dpa dpb dpd dpe dpl dpp dpr dps dra drb drd dre drl drp drr drs dsa dsb dsd dse dsl dsp dsr dss eaa eab ead eae eal eap ear eas eba ebb ebd ebe ebl ebp ebr ebs ed- eda edb edd ede edl edp edr eds eea eeb eed eee eel eep eer ees ela elb eld ele ell elp elr els ep- epa epb epd epe epl epp epr eps era erb erd ere erl erp err ers es- esa esb esd ese esl esp esr ess l-p la- laa lab lad lae lal lap lar las lba lbb lbd lbe lbl lbp lbr lbs lda ldb ldd lde ldl ldp ldr lds lea leb led lee lel lep ler les lla llb lld lle lll llp llr lls lpa lpb lpd lpe lpl lpp lpr lps lra lrb lrd lrp lrr lrs lsa lsb lsd lse lsl lsp lsr lss p-p paa pab pad pae pal pap par pas pba pbb pbd pbe pbl pbp pbr pbs pda pdb pdd pde pdl pdp pdr pds pea peb ped pee pel pep per pes pla plb pld ple pll plp plr pls ppa ppb ppd ppe ppl ppp ppr pps pra prb prd pre prl prp prr prs ps- psa psb psd pse psl psp psr pss ra- raa rab rad rae ral rap rar ras rba rbb rbd rbe rbl rbp rbr rbs rda rdb rdd rde rdl rdp rdr rds re- rea reb red ree rel rep rer res rla rld rle rll rlp rlr rls rpa rpb rpd rpe rpl rpp rpr rps rra rrb rrd rrl rrp rrr rrs rsa rsb rsd rse rsl rsp rsr rss saa sab sad sae sal sap sar sas sba sbb sbd sbe sbl sbp sbr sbs sda sdb sdd sde sdl sdp sdr sds se- sea seb sed see sel sep ser ses sla slb sld sle sll slp slr sls spa spb spd spe spl spp spr sps sr- sra srb srd sre srl srp srr srs ss- ssa ssb ssd sse ssl ssp ssr sss