-al -er -ol a-a a-i aaa aae aai aal aao aap aar aax aea aee aei ael aeo aep aer aex ai- aia aie aii ail aio aip air aix al- ala ale ali all alo alp alr alx aoa aoe aoi aol aoo aop aor aox ap- apa ape api apl apo app apr apx ar- ara are ari arl aro arp arr arx ax- axa axe axi axl axo axp axr axx eaa eae eai eal eao eap ear eax eea eee eel eeo eep eer eex eia eie eii eil eio eip eir eix ela ele eli ell elo elp elr elx eo- eoa eoe eoi eol eoo eop eor ep- epa epe epi epl epo epp epr epx era ere eri erl ero erp err ex- exa exe exi exl exo exp exr exx ia- iaa iae iai ial iao iap iar ie- iea iee iei iel iep ier iex iia iie iii iil iio iip iir iix il- ila ile ili ill ilo ilp ilr ilx io- ioa ioe ioi iol ioo iop ior ipa ipe ipi ipl ipo ipp ipr ipx ir- ira ire iri irl iro irp irr irx ixe ixi ixl l-p la- laa lae lai lal lao lap lar lax lea lee lei lel leo lep ler lex lia lie lii lil lio lip lir lix lla lle lli lll llo llp llr loa loe loi lol loo lop lor lox lpa lpe lpi lpl lpo lpp lpr lpx lra lri lro lrp lrr lxi lxo lxr lxx o-i oaa oae oai oal oao oap oar oax oea oee oei oel oeo oep oer oex oia oie oii oil oio oip oir ola ole oli oll olo olp oo- ooa ooi ool ooo oop oor oox op- opa ope opi opl opo opp opr opx or- ora ore ori orl oro orp orr orx ox- oxa oxi oxo oxx p-p paa pae pai pal pao pap par pax pea pee pei pel peo pep per pex pia pie pii pil pio pip pir pix pla ple pli pll plo plp plr plx poa poe poi pol poo pop por pox ppa ppe ppi ppl ppo ppp ppr ppx pra pre pri prl pro prp prr prx pxe pxl pxr ra- raa rae rai ral rao rap rar rax re- rea ree rei rel reo rep rer rex ria rie rii ril rio rip rir rix rla rle rli rll rlo rlp rlr roa roe roi rol roo rop ror rox rpa rpe rpi rpl rpo rpp rpr rpx rra rri rrl rrp rrr rxp rxr xaa xal xap xar xee xel xep xer xex xia xie xii xio xix xla xli xlr xoa xoi xoo xop xor xox xpa xpe xpl xpo xpp xrx xxi xxl xxo xxp xxx