prrs prse prsl prso prss psbr pseb psel pshs psnr psol pson psos psph pspp pspr psps psrp psse psso rbbb rbbr rbbs rbhs rble rboh rbsl rbsp rbss rebb rebe rebo rebs reeb reel reen reep rees rehb rehe rehn rehs relb rele rell relo relp rels rene renn reno rens reol reop reos repe repl repo repp repr reps rere rero rers rese resh resn reso resp ress rheb rhee rhen rheo rhes rhhs rhls rhob rhoh rhon rhos rlee rlls rlsh rnbr rnhl rnsh rnsp rob- robb robe robo robs roel roen roer roes rohe rohl rohn rohr rohs role roll rolo rolp rone rono rons roob rool roon roop roor roos rope ropo rops rore roro rose rosh roso rosp ross rpho rphs rpls rpob rpoe rpon rpos rppn rpps rrhs rrle rrrr rrsp rsee rshs rslp rsnn rsno rsnr rsos rspb rspo rsps rsre rssl s-os sbbs sber sbhs sbor sbse sbsp se-e se-h se-n se-o se-s sebe sebo sebs seeb seeh seel seen seep seer sees sehe sehr sehs selb sele sell selo sels sene senn seno senr sens seol seon seop sepe sepn sepo sepp sepr seps serb sere sern sero serp serr sers sese sesh seso sess shbs she- sheb shee sheh shel shen sheo shep sher shes shhh shhs shl- shlp shls shne shoe shon shoo shop shor shos shps shre shrp shrs slbp sleb slee slep sler sles slhs slln sllp slob sloe sloh slon sloo slop slos slpp slps slre slrn slrp slrs sneb snee sneh snel snep sner snes snhs snns snob snoo snop snor snos snpo snpp snrs sobe sobo sobp sobr sobs soel soen soeo soep soes sohh sohl sohn soho sohp sohs sole solh soll soln solo solp solr sols son- sone sono sons sool soon soop soor soos sope soph sopo sopp sops sorb sore sorh sorn soro sorr sors sose sosh soso soss speb spee spel spen sper spes sphr sphs sple splo splp splr spls spne spns spon spoo spop spor spos spps spro sprs spse spso spsp spss sreb sreo sres srhs srnn srno sros srps srsp ssbn ssbr ssee ssep sses sshl sshs ssle sslp ssns ssop sspe sspl sspo ssps ssrl ssrs sssb sssh ssss