-al -ol a-a aaa aad aal aao aar aax ad- ada add adl ado adr adx al- ala ald all alo alr alx aoa aod aol aoo aor aox ar- ara ard arl aro arr arx ax- axa axl axo axr axx daa dad dal dao dar dax dda ddd ddl ddo ddr ddx dl- dla dld dll dlo dlr dlx doa dod dol doo dor dox dra drd drl dro drr drx dxd dxl dxo dxr dxx la- laa lad lal lao lar lax lda ldd ldl ldo ldr lla lld lll llo llr loa lod lol loo lor lox lra lrd lro lrr lxd lxo lxr lxx oaa oad oal oao oar oax oda odd odl odo odr ola old oll olo oo- ooa ood ool ooo oor oox or- ora ord orl oro orr orx ox- oxa oxo oxx ra- raa rad ral rao rar rax rda rdd rdl rdo rdr rdx rla rld rll rlo rlr roa rod rol roo ror rox rra rrd rrl rrr rxr xaa xad xal xar xda xdr xla xld xlr xoa xod xoo xor xox xrd xrx xxl xxo xxx