-al -ol a-a a-i aaa aaf aai aal aao aar aax af- afa aff afi afl afo afr afx ai- aia aif aii ail aio air aix al- ala alf ali all alo alr alx aoa aof aoi aol aoo aor aox ar- ara arf ari arl aro arr arx ax- axa axi axl axo axr axx faa faf fai fal fao far fax ffa fff ffi ffl ffo ffr ffx fia fif fii fil fir fix fla flf fli fll flo flr flx foa fof foi fol foo for fox fra frf fri frl fro frr fxi fxr fxx i-f ia- iaa iaf iai ial iao iar ifa iff ifi ifl ifo ifr ifx iia iif iii iil iio iir iix il- ila ilf ili ill ilo ilr ilx io- ioa iof ioi iol ioo ior ir- ira irf iri irl iro irr irx ixi ixl la- laa laf lai lal lao lar lax lfa lff lfi lfl lfo lfr lfx lia lif lii lil lio lir lix lla llf lli lll llo llr loa lof loi lol loo lor lox lra lrf lri lro lrr lxi lxo lxr lxx o-i oaa oaf oai oal oao oar oax of- ofa off ofi ofl ofo ofr ofx oia oif oii oil oio oir ola olf oli oll olo oo- ooa oof ooi ool ooo oor oox or- ora orf ori orl oro orr orx ox- oxa oxf oxi oxo oxx ra- raa raf rai ral rao rar rax rfa rff rfi rfl rfo rfr ria rif rii ril rio rir rix rla rlf rli rll rlo rlr roa rof roi rol roo ror rox rra rrf rri rrl rrr rxr xaa xaf xal xar xfa xfl xfx xia xii xio xix xla xlf xli xlr xoa xof xoi xoo xor xox xrf xrx xxi xxl xxo xxx