-al -er -ol a-a aaa aae aak aal aao aap aar aav aea aee aek ael aeo aep aer aev aka ake akk akl ako akp akr akv al- ala ale alk all alo alp alr alv aoa aoe aok aol aoo aop aor aov ap- apa ape apk apl apo app apr apv ar- ara are ark arl aro arp arr arv av- ava ave avk avl avo avp avr eaa eae eak eal eao eap ear eav eea eee eek eel eeo eep eer eev eka eke ekl eko ekp ekr ekv ela ele elk ell elo elp elr elv eo- eoa eoe eok eol eoo eop eor ep- epa epe epl epo epp epr era ere erk erl ero erp err erv eva eve evl evo evp evr evv ka- kaa kae kak kal kao kap kar kav ke- kea kee kek kel keo kep ker kev kke kkk kkl kkp kkr kkv kl- kla klo klr klv koa koe kok kol koo kop kor kpa kpe kpk kpl kpo kpp kpr kpv kra krk krl kro krp krr krv kva kvk kvo kvp kvr kvv l-p la- laa lae lak lal lao lap lar lav lea lee lek lel leo lep ler lev lka lkl lkp lkr lla lle llk lll llo llp llr llv loa loe lok lol loo lop lor lov lpa lpe lpk lpl lpo lpp lpr lpv lra lrk lro lrp lrr lrv lva lve lvl lvp lvr lvv oaa oae oak oal oao oap oar oav oea oee oel oeo oep oer oka oke okk okl oko okp okr ola ole olk oll olo olp oo- ooa ook ool ooo oop oor oov op- opa ope opk opl opo opp opr opv or- ora ore ork orl oro orp orr orv ov- ova ove ovl ovo ovp ovv p-p paa pae pak pal pao pap par pav pea pee pek pel peo pep per pev pka pke pkl pko pkp pkr pla ple plk pll plo plp plr plv poa poe pok pol poo pop por pov ppa ppe ppk ppl ppo ppp ppr ppv pra pre prk prl pro prp prr prv pva pve pvk pvl pvo pvp pvr pvv ra- raa rae rak ral rao rap rar rav re- rea ree rek rel reo rep rer rev rke rkk rko rkp rkv rla rle rll rlo rlp rlr roa roe rok rol roo rop ror rov rpa rpe rpk rpl rpo rpp rpr rpv rra rrk rrl rrp rrr rva rve rvl rvo rvp rvr rvv v-a v-e vaa vae vak val vao vap var vav vea vee vek vel veo vep ver vka vkp vl- vla vle vlk vll vlo vlp vlv voa voe vok vol voo vop vor vov vpa vpe vpk vpl vpo vpp vpr vra vre vrk vrp vrr vva vvo vvr vvv