rpos rppn rpps rrle rrrr rrsp rsee rslp rsnn rsno rsnr rsos rspk rspo rsps rsre rssl s-os se-e se-k se-n se-o se-s seek seel seen seep seer sees seke sekk seko sele selk sell selo sels sene senn seno senr sens seok seol seon seop sepe sepn sepo sepp sepr seps sere serk sern sero serp serr sers sese seso sess skee skel sken skeo skep sker skes skn- skoe skol skon skop skor skpo skss slee slep sler sles slln sllp sloe slon sloo slop slos slpp slps slre slrn slrp slrs snee snel snep sner snes snns snoo snop snor snos snpo snpp snrk snrs soel soen soeo soep soes soke sokk sokn soko sole solk soll soln solo solp solr sols son- sone sonk sono sons sook sool soon soop soor soos sope sopo sopp sops sore sorn soro sorr sors sose soso soss spee spek spel spen sper spes spke spkl spkr sple splo splp splr spls spne spns spok spon spoo spop spor spos spps spro sprs spse spso spsp spss sreo sres srnn srno sros srps srsp ssee ssep sses ssle sslp ssns ssop sspe sspl sspo ssps ssrl ssrs ssss