-al -er -ol a-a aaa aad aae aak aal aao aap aar aax ad- ada add ade adk adl ado adp adr adx aea aed aee aek ael aeo aep aer aex aka akd ake akk akl ako akp akr al- ala ald ale alk all alo alp alr alx aoa aod aoe aok aol aoo aop aor aox ap- apa apd ape apk apl apo app apr apx ar- ara ard are ark arl aro arp arr arx ax- axa axe axk axl axo axp axr axx daa dad dae dak dal dao dap dar dax dda ddd dde ddk ddl ddo ddp ddr ddx de- dea ded dee dek del deo dep der dex dka dke dkk dkl dko dkp dkr dkx dl- dla dld dle dlk dll dlo dlp dlr dlx doa dod doe dok dol doo dop dor dox dpa dpd dpe dpk dpl dpo dpp dpr dra drd dre drk drl dro drp drr drx dxd dxl dxo dxp dxr dxx eaa ead eae eak eal eao eap ear eax ed- eda edd ede edk edl edo edp edr edx eea eed eee eek eel eeo eep eer eex eka ekd eke ekl eko ekp ekr ela eld ele elk ell elo elp elr elx eo- eoa eod eoe eok eol eoo eop eor ep- epa epd epe epl epo epp epr epx era erd ere erk erl ero erp err ex- exa exd exe exl exo exp exr exx ka- kaa kad kae kak kal kao kap kar kax kda kde kdk kdl kdo kdp kdr kdx ke- kea ked kee kek kel keo kep ker kex kke kkk kkl kkp kkr kl- kla kld klo klr klx koa kod koe kok kol koo kop kor kpa kpd kpe kpk kpl kpo kpp kpr kra krd krk krl kro krp krr kxl kxo l-p la- laa lad lae lak lal lao lap lar lax lda ldd lde ldk ldl ldo ldp ldr lea led lee lek lel leo lep ler lex lka lkl lkp lkr lla lld lle llk lll llo llp llr loa lod loe lok lol loo lop lor lox lpa lpd lpe lpk lpl lpo lpp lpr lpx lra lrd lrk lro lrp lrr lxd lxo lxr lxx oaa oad oae oak oal oao oap oar oax oda odd ode odl odo odp odr oea oed oee oel oeo oep oer oex oka okd oke okk okl oko okp okr ola old ole olk oll olo olp oo- ooa ood ook ool ooo oop oor oox op- opa opd ope opk opl opo opp opr opx or- ora ord ore ork orl oro orp orr orx ox- oxa oxo oxx p-p paa pad pae pak pal pao pap par pax pda pdd pde pdk pdl pdo pdp pdr pdx pea ped pee pek pel peo pep per pex pka pkd pke pkl pko pkp pkr pla pld ple plk pll plo plp plr plx poa pod poe pok pol poo pop por pox ppa ppd ppe ppk ppl ppo ppp ppr ppx pra prd pre prk prl pro prp prr prx pxe pxk pxl pxr ra- raa rad rae rak ral rao rap rar rax rda rdd rde rdl rdo rdp rdr rdx re- rea red ree rek rel reo rep rer rex rke rkk rko rkp rla rld rle rll rlo rlp rlr roa rod roe rok rol roo rop ror rox rpa rpd rpe rpk rpl rpo rpp rpr rpx rra rrd rrk rrl rrp rrr rxp rxr xaa xad xak xal xap xar xda xde xdk xdr xed xee xel xep xer xex xke xkl xla xld xlr xoa xod xok xoo xop xor xox xpa xpd xpe xpl xpo xpp xrd xrx xxl xxo xxp xxx