-al -ol a-a aaa aad aal aao aap aar aax ad- ada add adl ado adp adr adx al- ala ald all alo alp alr alx aoa aod aol aoo aop aor aox ap- apa apd apl apo app apr apx ar- ara ard arl aro arp arr arx ax- axa axl axo axp axr axx daa dad dal dao dap dar dax dda ddd ddl ddo ddp ddr ddx dl- dla dld dll dlo dlp dlr dlx doa dod dol doo dop dor dox dpa dpd dpl dpo dpp dpr dra drd drl dro drp drr drx dxd dxl dxo dxp dxr dxx l-p la- laa lad lal lao lap lar lax lda ldd ldl ldo ldp ldr lla lld lll llo llp llr loa lod lol loo lop lor lox lpa lpd lpl lpo lpp lpr lpx lra lrd lro lrp lrr lxd lxo lxr lxx oaa oad oal oao oap oar oax oda odd odl odo odp odr ola old oll olo olp oo- ooa ood ool ooo oop oor oox op- opa opd opl opo opp opr opx or- ora ord orl oro orp orr orx ox- oxa oxo oxx p-p paa pad pal pao pap par pax pda pdd pdl pdo pdp pdr pdx pla pld pll plo plp plr plx poa pod pol poo pop por pox ppa ppd ppl ppo ppp ppr ppx pra prd prl pro prp prr prx pxl pxr ra- raa rad ral rao rap rar rax rda rdd rdl rdo rdp rdr rdx rla rld rll rlo rlp rlr roa rod rol roo rop ror rox rpa rpd rpl rpo rpp rpr rpx rra rrd rrl rrp rrr rxp rxr xaa xad xal xap xar xda xdr xla xld xlr xoa xod xoo xop xor xox xpa xpd xpl xpo xpp xrd xrx xxl xxo xxp xxx