-al -er a-a a-b aaa aab aae aag aak aal aap aar ab- aba abb abe abg abk abl abp abr aea aeb aee aeg aek ael aep aer ag- aga agb age agg agk agl agp agr aka akb ake akg akk akl akp akr al- ala alb ale alg alk all alp alr ap- apa apb ape apg apk apl app apr ar- ara arb are arg ark arl arp arr b-p baa bab bae bag bak bal bap bar bba bbb bbe bbg bbk bbl bbp bbr be- bea beb bee beg bek bel bep ber bga bgb bge bgg bgk bgl bgp bgr bka bkb bke bkg bkk bkl bkp bkr bla blb ble blg blk bll blp blr bpa bpb bpe bpg bpl bpp bpr bra brb bre brg brk brl brp brr eaa eab eae eag eak eal eap ear eba ebb ebe ebg ebk ebl ebp ebr eea eeb eee eeg eek eel eep eer ega egb ege egg egl egp egr eka ekb eke ekg ekl ekp ekr ela elb ele elg elk ell elp elr ep- epa epb epe epg epl epp epr era erb ere erg erk erl erp err g-p gaa gab gae gag gak gal gap gar gba gbe gbg gbk gbl gbp gbr ge- gea geb gee geg gek gel gep ger gga ggb ggg ggp ggr gka gkb gkp gla glb gle glg glk gll glp glr gpa gpb gpe gpg gpk gpl gpp gpr gra grb gre grg grk grl grp grr ka- kaa kab kae kag kak kal kap kar kba kbb kbe kbk kbl kbp kbr ke- kea keb kee keg kek kel kep ker kga kgb kgl kgp kkb kke kkk kkl kkp kkr kl- kla klb klg klr kpa kpe kpk kpl kpp kpr kra krg krk krl krp krr l-p la- laa lab lae lag lak lal lap lar lba lbb lbe lbg lbk lbl lbp lbr lea leb lee leg lek lel lep ler lga lgb lge lgg lgk lgl lgp lgr lka lkb lkg lkl lkp lkr lla llb lle llg llk lll llp llr lpa lpb lpe lpg lpk lpl lpp lpr lra lrb lrg lrk lrp lrr p-p paa pab pae pag pak pal pap par pba pbb pbe pbg pbk pbl pbp pbr pea peb pee peg pek pel pep per pga pgb pge pgg pgk pgl pgp pgr pka pkb pke pkg pkl pkp pkr pla plb ple plg plk pll plp plr ppa ppb ppe ppg ppk ppl ppp ppr pra prb pre prg prk prl prp prr ra- raa rab rae rag rak ral rap rar rba rbb rbe rbg rbk rbl rbp rbr re- rea reb ree reg rek rel rep rer rga rgb rge rgg rgk rgp rgr rkb rke rkg rkk rkp rla rle rlg rll rlp rlr rpa rpb rpe rpg rpk rpl rpp rpr rra rrb rrg rrk rrl rrp rrr