ppf ppk ppl ppm ppn ppo ppp ppr ppw pra pre prf prk prl prm prn pro prp prr prw pwa pwe pwf pwl pwn pwo pwp pwr ra- raa rae raf rak ral ram ran rao rap rar raw re- rea ree ref rek rel rem ren reo rep rer rew rfa rfe rff rfk rfl rfm rfn rfo rfp rfr rfw rke rkf rkk rkm rko rkp rla rle rlf rll rlm rln rlo rlp rlr rlw rma rme rmf rml rmm rmn rmo rmp rmr rna rnm rnn rno rnp rnr rnw roa roe rof rok rol rom ron roo rop ror row rpa rpe rpf rpk rpl rpm rpn rpo rpp rpr rpw rra rrf rrk rrl rrm rrn rrp rrr rwa rwe rwf rwl rwm rwr waa wae waf wak wal wam wan wao wap war waw wea wee wef wek wel wem wen weo wep wer wew wfa wfe wff wfk wfl wfm wfn wfo wfp wfr wfw wka wke wkf wkm wko wkp wkr wkw wl- wla wle wlf wll wlm wln wlo wlp wlr wlw wm- wma wme wmf wmk wml wmm wmo wmp wmr wn- wna wne wnf wnl wnm wnn wno wnp wnw woa woe wof wok wol wom won woo wop wor wow wpa wpe wpf wpk wpl wpm wpn wpo wpp wpr wr- wra wre wrf wrk wrl wrm wrn wro wrp wrr wrw wwa wwe wwf wwl wwm wwn wwo wwp www