-al -ol a-a aaa aaf aak aal aao aap aar af- afa aff afk afl afo afp afr aka akk akl ako akp akr al- ala alf alk all alo alp alr aoa aof aok aol aoo aop aor ap- apa apf apk apl apo app apr ar- ara arf ark arl aro arp arr faa faf fak fal fao fap far ffa fff ffk ffl ffo ffp ffr fka fkf fkk fkl fkp fla flf fll flo flp flr foa fof fok fol foo fop for fpa fpk fpl fpo fpp fpr fra frf frk frl fro frp frr ka- kaa kaf kak kal kao kap kar kfa kff kfo kkk kkl kkp kkr kl- kla klf klo klr koa kof kok kol koo kop kor kpa kpf kpk kpl kpo kpp kpr kra krf krk krl kro krp krr l-p la- laa laf lak lal lao lap lar lfa lff lfk lfl lfo lfp lfr lka lkl lkp lkr lla llf llk lll llo llp llr loa lof lok lol loo lop lor lpa lpf lpk lpl lpo lpp lpr lra lrf lrk lro lrp lrr oaa oaf oak oal oao oap oar of- ofa off ofl ofo ofp ofr oka okk okl oko okp okr ola olf olk oll olo olp oo- ooa oof ook ool ooo oop oor op- opa opf opk opl opo opp opr or- ora orf ork orl oro orp orr p-p paa paf pak pal pao pap par pfa pff pfk pfl pfo pfp pfr pka pkf pkl pko pkp pkr pla plf plk pll plo plp plr poa pof pok pol poo pop por ppa ppf ppk ppl ppo ppp ppr pra prf prk prl pro prp prr ra- raa raf rak ral rao rap rar rfa rff rfk rfl rfo rfp rfr rkf rkk rko rkp rla rlf rll rlo rlp rlr roa rof rok rol roo rop ror rpa rpf rpk rpl rpo rpp rpr rra rrf rrk rrl rrp rrr