-al -er -ol a-a aaa aae aaf aak aal aao aap aar aea aee aef aek ael aeo aep aer af- afa afe aff afk afl afo afp afr aka ake akk akl ako akp akr al- ala ale alf alk all alo alp alr aoa aoe aof aok aol aoo aop aor ap- apa ape apf apk apl apo app apr ar- ara are arf ark arl aro arp arr eaa eae eaf eak eal eao eap ear eea eee eef eek eel eeo eep eer ef- efa efe eff efl efo efp efr eka eke ekf ekl eko ekp ekr ela ele elf elk ell elo elp elr eo- eoa eoe eof eok eol eoo eop eor ep- epa epe epf epl epo epp epr era ere erf erk erl ero erp err faa fae faf fak fal fao fap far fea fee fef fek fel feo fep fer ffa ffe fff ffk ffl ffo ffp ffr fka fkf fkk fkl fkp fla fle flf fll flo flp flr foa foe fof fok fol foo fop for fpa fpe fpk fpl fpo fpp fpr fra fre frf frk frl fro frp frr ka- kaa kae kaf kak kal kao kap kar ke- kea kee kef kek kel keo kep ker kfa kff kfo kke kkk kkl kkp kkr kl- kla klf klo klr koa koe kof kok kol koo kop kor kpa kpe kpf kpk kpl kpo kpp kpr kra krf krk krl kro krp krr l-p la- laa lae laf lak lal lao lap lar lea lee lef lek lel leo lep ler lfa lfe lff lfk lfl lfo lfp lfr lka lkl lkp lkr lla lle llf llk lll llo llp llr loa loe lof lok lol loo lop lor lpa lpe lpf lpk lpl lpo lpp lpr lra lrf lrk lro lrp lrr oaa oae oaf oak oal oao oap oar oea oee oef oel oeo oep oer of- ofa ofe off ofl ofo ofp ofr oka oke okk okl oko okp okr ola ole olf olk oll olo olp oo- ooa oof ook ool ooo oop oor op- opa ope opf opk opl opo opp opr or- ora ore orf ork orl oro orp orr p-p paa pae paf pak pal pao pap par pea pee pef pek pel peo pep per pfa pfe pff pfk pfl pfo pfp pfr pka pke pkf pkl pko pkp pkr pla ple plf plk pll plo plp plr poa poe pof pok pol poo pop por ppa ppe ppf ppk ppl ppo ppp ppr pra pre prf prk prl pro prp prr ra- raa rae raf rak ral rao rap rar re- rea ree ref rek rel reo rep rer rfa rfe rff rfk rfl rfo rfp rfr rke rkf rkk rko rkp rla rle rlf rll rlo rlp rlr roa roe rof rok rol roo rop ror rpa rpe rpf rpk rpl rpo rpp rpr rra rrf rrk rrl rrp rrr