-al -ol a-a a-i aaa aai aal aan aao aap aar aax ai- aia aii ail ain aio aip air aix al- ala ali all aln alo alp alr alx an- ana ani anl ann ano anp anr anx aoa aoi aol aon aoo aop aor aox ap- apa api apl apn apo app apr apx ar- ara ari arl arn aro arp arr arx ax- axa axi axl axn axo axp axr axx ia- iaa iai ial ian iao iap iar iia iii iil iin iio iip iir iix il- ila ili ill iln ilo ilp ilr ilx in- ina ini inl inn ino inp inr inx io- ioa ioi iol ion ioo iop ior ipa ipi ipl ipn ipo ipp ipr ipx ir- ira iri irl irn iro irp irr irx ixi ixl ixn l-p la- laa lai lal lan lao lap lar lax lia lii lil lin lio lip lir lix lla lli lll lln llo llp llr lna lni lnl lnn lno lnp lnr loa loi lol lon loo lop lor lox lpa lpi lpl lpn lpo lpp lpr lpx lra lri lrn lro lrp lrr lxi lxo lxr lxx n-i naa nai nal nan nao nap nar nax nia nii nil nin nio nip nir nix nla nli nll nln nlo nlp nlr nlx nna nni nnl nnn nno nnp no- noa noi nol non noo nop nor nox npa npi npl npn npo npp npr nra nri nrl nrn nro nrp nrr nrx nxl o-i oaa oai oal oan oao oap oar oax oia oii oil oin oio oip oir ola oli oll oln olo olp on- ona oni onl onn ono onp onr onx oo- ooa ooi ool oon ooo oop oor oox op- opa opi opl opn opo opp opr opx or- ora ori orl orn oro orp orr orx ox- oxa oxi oxn oxo oxx p-p paa pai pal pan pao pap par pax pia pii pil pin pio pip pir pix pla pli pll pln plo plp plr plx pn- pna pni pnl pnn pno pnp pnr pnx poa poi pol pon poo pop por pox ppa ppi ppl ppn ppo ppp ppr ppx pra pri prl prn pro prp prr prx pxl pxr ra- raa rai ral ran rao rap rar rax ria rii ril rin rio rip rir rix rla rli rll rln rlo rlp rlr rna rni rnn rno rnp rnr roa roi rol ron roo rop ror rox rpa rpi rpl rpn rpo rpp rpr rpx rra rri rrl rrn rrp rrr rxp rxr xaa xal xan xap xar xia xii xin xio xix xla xli xlr xna xno xoa xoi xon xoo xop xor xox xpa xpl xpn xpo xpp xrx xxi xxl xxo xxp xxx