nnw nra nrb nrc nrd nre nrg nrk nrl nrn nrr nrw nwa nwb nwc nwd nwe nwl nwn nwr ra- raa rab rac rad rae rag rak ral ran rar raw rba rbb rbc rbd rbe rbg rbk rbl rbn rbr rbw rca rcb rcc rcd rce rcg rcl rcn rcr rcw rda rdb rdc rdd rde rdg rdl rdn rdr re- rea reb rec red ree reg rek rel ren rer rew rga rgb rgc rgd rge rgg rgk rgn rgr rgw rkb rkc rke rkg rkk rla rlc rld rle rlg rll rln rlr rlw rna rnb rnc rnd rng rnn rnr rnw rra rrb rrc rrd rrg rrk rrl rrn rrr rwa rwb rwc rwd rwe rwl rwr waa wab wac wad wae wag wak wal wan war waw wba wbb wbc wbd wbe wbg wbn wbr wbw wca wcb wcc wcd wce wcg wck wcl wcn wcr wcw wda wdb wdc wdg wdl wdr wea web wec wed wee weg wek wel wen wer wew wga wgb wgc wgl wgn wgr wgw wka wkb wkc wkd wke wkg wkr wkw wl- wla wlb wlc wle wlg wll wln wlr wlw wn- wna wnc wnd wne wng wnl wnn wnw wr- wra wrc wrd wre wrg wrk wrl wrn wrr wrw wwa wwc wwd wwe wwl wwn www