-al -ol a-a aaa aaf aal aao aap aar af- afa aff afl afo afp afr al- ala alf all alo alp alr aoa aof aol aoo aop aor ap- apa apf apl apo app apr ar- ara arf arl aro arp arr faa faf fal fao fap far ffa fff ffl ffo ffp ffr fla flf fll flo flp flr foa fof fol foo fop for fpa fpl fpo fpp fpr fra frf frl fro frp frr l-p la- laa laf lal lao lap lar lfa lff lfl lfo lfp lfr lla llf lll llo llp llr loa lof lol loo lop lor lpa lpf lpl lpo lpp lpr lra lrf lro lrp lrr oaa oaf oal oao oap oar of- ofa off ofl ofo ofp ofr ola olf oll olo olp oo- ooa oof ool ooo oop oor op- opa opf opl opo opp opr or- ora orf orl oro orp orr p-p paa paf pal pao pap par pfa pff pfl pfo pfp pfr pla plf pll plo plp plr poa pof pol poo pop por ppa ppf ppl ppo ppp ppr pra prf prl pro prp prr ra- raa raf ral rao rap rar rfa rff rfl rfo rfp rfr rla rlf rll rlo rlp rlr roa rof rol roo rop ror rpa rpf rpl rpo rpp rpr rra rrf rrl rrp rrr