-al -er a-a a-b aaa aab aae aag aal aap aar ab- aba abb abe abg abl abp abr aea aeb aee aeg ael aep aer ag- aga agb age agg agl agp agr al- ala alb ale alg all alp alr ap- apa apb ape apg apl app apr ar- ara arb are arg arl arp arr b-p baa bab bae bag bal bap bar bba bbb bbe bbg bbl bbp bbr be- bea beb bee beg bel bep ber bga bgb bge bgg bgl bgp bgr bla blb ble blg bll blp blr bpa bpb bpe bpg bpl bpp bpr bra brb bre brg brl brp brr eaa eab eae eag eal eap ear eba ebb ebe ebg ebl ebp ebr eea eeb eee eeg eel eep eer ega egb ege egg egl egp egr ela elb ele elg ell elp elr ep- epa epb epe epg epl epp epr era erb ere erg erl erp err g-p gaa gab gae gag gal gap gar gba gbe gbg gbl gbp gbr ge- gea geb gee geg gel gep ger gga ggb ggg ggp ggr gla glb gle glg gll glp glr gpa gpb gpe gpg gpl gpp gpr gra grb gre grg grl grp grr l-p la- laa lab lae lag lal lap lar lba lbb lbe lbg lbl lbp lbr lea leb lee leg lel lep ler lga lgb lge lgg lgl lgp lgr lla llb lle llg lll llp llr lpa lpb lpe lpg lpl lpp lpr lra lrb lrg lrp lrr p-p paa pab pae pag pal pap par pba pbb pbe pbg pbl pbp pbr pea peb pee peg pel pep per pga pgb pge pgg pgl pgp pgr pla plb ple plg pll plp plr ppa ppb ppe ppg ppl ppp ppr pra prb pre prg prl prp prr ra- raa rab rae rag ral rap rar rba rbb rbe rbg rbl rbp rbr re- rea reb ree reg rel rep rer rga rgb rge rgg rgp rgr rla rle rlg rll rlp rlr rpa rpb rpe rpg rpl rpp rpr rra rrb rrg rrl rrp rrr