sub- subb subh subl subo subs suc- succ such sucs suf- sufc suff sufs sufu suhb suhl suho sul- sulc sulf sulh sull sulo sulp sulu suoh suos sup- suph supo supp sups sus- suso susp suss susu suus ubbo ublo ubls uboc ubos ubpc ucbc uccp ucfb ucho uchs ucos ucpb ucph ucsb ucsc ucsf ucsu ufcu ufos ufpb uhcl uhoh uhss uhuh uhup ulbc ulcc ulch ulco ullo ulo- uloc ulos ulul ulus uocc uofl uofo uolc upcs uplb uplo upos uppc uppp uppu upsc upup usbc usbl usbs uscc uscf usch usco uscs usfc usfl usfs usho ushs ushu uslp uslu usoc usos uspc uspo uspp usps ussb ussc ussf usss ussu usul usus uucp uulu uuoc uuuu