-al -er a-a a-i aaa aae aag aai aal aap aar aax aea aee aeg aei ael aep aer aex ag- aga age agg agi agl agp agr agx ai- aia aie aig aii ail aip air aix al- ala ale alg ali all alp alr alx ap- apa ape apg api apl app apr apx ar- ara are arg ari arl arp arr arx ax- axa axe axi axl axp axr axx eaa eae eag eai eal eap ear eax eea eee eeg eel eep eer eex ega ege egg egi egl egp egr egx eia eie eig eii eil eip eir eix ela ele elg eli ell elp elr elx ep- epa epe epg epi epl epp epr epx era ere erg eri erl erp err ex- exa exe exi exl exp exr exx g-p gaa gae gag gai gal gap gar ge- gea gee geg gei gel gep ger gex gga ggg ggi ggp ggr gia gie gig gii gil gip gir gla gle glg gli gll glp glr glx gpa gpe gpg gpi gpl gpp gpr gpx gra gre grg gri grl grp grr grx gxa gxl gxp ia- iaa iae iag iai ial iap iar ie- iea iee ieg iei iel iep ier iex iga ige igg igi igl igp igr iia iie iii iil iip iir iix il- ila ile ilg ili ill ilp ilr ilx ipa ipe ipg ipi ipl ipp ipr ipx ir- ira ire irg iri irl irp irr irx ixe ixi ixl l-p la- laa lae lag lai lal lap lar lax lea lee leg lei lel lep ler lex lga lge lgg lgi lgl lgp lgr lia lie lig lii lil lip lir lix lla lle llg lli lll llp llr lpa lpe lpg lpi lpl lpp lpr lpx lra lrg lri lrp lrr lxi lxr lxx p-p paa pae pag pai pal pap par pax pea pee peg pei pel pep per pex pga pge pgg pgi pgl pgp pgr pia pie pig pii pil pip pir pix pla ple plg pli pll plp plr plx ppa ppe ppg ppi ppl ppp ppr ppx pra pre prg pri prl prp prr prx pxe pxg pxl pxr ra- raa rae rag rai ral rap rar rax re- rea ree reg rei rel rep rer rex rga rge rgg rgi rgp rgr rgx ria rie rig rii ril rip rir rix rla rle rlg rli rll rlp rlr rpa rpe rpg rpi rpl rpp rpr rpx rra rrg rri rrl rrp rrr rxp rxr xaa xag xal xap xar xee xeg xel xep xer xex xge xgi xgl xgp xia xie xii xix xla xlg xli xlr xpa xpe xpg xpl xpp xrx xxi xxl xxp xxx