-al -er a-a a-b aaa aab aad aae aak aal aap aar ab- aba abb abd abe abk abl abp abr ad- ada adb add ade adk adl adp adr aea aeb aed aee aek ael aep aer aka akb akd ake akk akl akp akr al- ala alb ald ale alk all alp alr ap- apa apb apd ape apk apl app apr ar- ara arb ard are ark arl arp arr b-p baa bab bad bae bak bal bap bar bba bbb bbd bbe bbk bbl bbp bbr bda bdb bdd bde bdk bdl bdp bdr be- bea beb bed bee bek bel bep ber bka bkb bke bkk bkl bkp bkr bla blb bld ble blk bll blp blr bpa bpb bpd bpe bpl bpp bpr bra brb brd bre brk brl brp brr daa dab dad dae dak dal dap dar dba dbb dbd dbe dbk dbl dbp dbr dda ddb ddd dde ddk ddl ddp ddr de- dea deb ded dee dek del dep der dka dkb dke dkk dkl dkp dkr dl- dla dlb dld dle dlk dll dlp dlr dpa dpb dpd dpe dpk dpl dpp dpr dra drb drd dre drk drl drp drr eaa eab ead eae eak eal eap ear eba ebb ebd ebe ebk ebl ebp ebr ed- eda edb edd ede edk edl edp edr eea eeb eed eee eek eel eep eer eka ekb ekd eke ekl ekp ekr ela elb eld ele elk ell elp elr ep- epa epb epd epe epl epp epr era erb erd ere erk erl erp err ka- kaa kab kad kae kak kal kap kar kba kbb kbd kbe kbk kbl kbp kbr kda kdb kde kdk kdl kdp kdr ke- kea keb ked kee kek kel kep ker kkb kke kkk kkl kkp kkr kl- kla klb kld klr kpa kpd kpe kpk kpl kpp kpr kra krd krk krl krp krr l-p la- laa lab lad lae lak lal lap lar lba lbb lbd lbe lbk lbl lbp lbr lda ldb ldd lde ldk ldl ldp ldr lea leb led lee lek lel lep ler lka lkb lkl lkp lkr lla llb lld lle llk lll llp llr lpa lpb lpd lpe lpk lpl lpp lpr lra lrb lrd lrk lrp lrr p-p paa pab pad pae pak pal pap par pba pbb pbd pbe pbk pbl pbp pbr pda pdb pdd pde pdk pdl pdp pdr pea peb ped pee pek pel pep per pka pkb pkd pke pkl pkp pkr pla plb pld ple plk pll plp plr ppa ppb ppd ppe ppk ppl ppp ppr pra prb prd pre prk prl prp prr ra- raa rab rad rae rak ral rap rar rba rbb rbd rbe rbk rbl rbp rbr rda rdb rdd rde rdl rdp rdr re- rea reb red ree rek rel rep rer rkb rke rkk rkp rla rld rle rll rlp rlr rpa rpb rpd rpe rpk rpl rpp rpr rra rrb rrd rrk rrl rrp rrr