-al -er -ol a-a aaa aad aae aak aal aao aar ad- ada add ade adk adl ado adr aea aed aee aek ael aeo aer aka akd ake akk akl ako akr al- ala ald ale alk all alo alr aoa aod aoe aok aol aoo aor ar- ara ard are ark arl aro arr daa dad dae dak dal dao dar dda ddd dde ddk ddl ddo ddr de- dea ded dee dek del deo der dka dke dkk dkl dko dkr dl- dla dld dle dlk dll dlo dlr doa dod doe dok dol doo dor dra drd dre drk drl dro drr eaa ead eae eak eal eao ear ed- eda edd ede edk edl edo edr eea eed eee eek eel eeo eer eka ekd eke ekl eko ekr ela eld ele elk ell elo elr eo- eoa eod eoe eok eol eoo eor era erd ere erk erl ero err ka- kaa kad kae kak kal kao kar kda kde kdk kdl kdo kdr ke- kea ked kee kek kel keo ker kke kkk kkl kkr kl- kla kld klo klr koa kod koe kok kol koo kor kra krd krk krl kro krr la- laa lad lae lak lal lao lar lda ldd lde ldk ldl ldo ldr lea led lee lek lel leo ler lka lkl lkr lla lld lle llk lll llo llr loa lod loe lok lol loo lor lra lrd lrk lro lrr oaa oad oae oak oal oao oar oda odd ode odl odo odr oea oed oee oel oeo oer oka okd oke okk okl oko okr ola old ole olk oll olo oo- ooa ood ook ool ooo oor or- ora ord ore ork orl oro orr ra- raa rad rae rak ral rao rar rda rdd rde rdl rdo rdr re- rea red ree rek rel reo rer rke rkk rko rla rld rle rll rlo rlr roa rod roe rok rol roo ror rra rrd rrk rrl rrr