dddd ddss dfds dfrf dfsm dlrs dmds dmss dmus drms drrs drum drus druu dsdm dsdr dsls dsml dsms dsrr dudd duds dudu duff dufu dull dulu dumm dums duru duul duur fdlr fdml ffff ffrr ffss fldr flud fluf flum flur flus fmsr fmss frsm frum fssf fudd fuff fufu full fuls fulu fums fur- furl furm furr furs fusd fuss fusu lddm ldls ldrs lfmr lfrd llds llll llms llud lmds lmfm lmmr lmms lmrs lmsr lrdd lrds lrrr lrsm ls-r lsds lssr ludd luff lufu lull lulu lums lurd lurs luss mddl mddm mdds mdmf mdsd mdud mfds mfrs mldr mlrs mlss mmdf mmdl mmds mmfd mmff mmmd mmmm mmms mmrf mmsd mmsu mmus mrdd mrds mrls mrmd mrml mrsd mrsl mrud msff msfs msml msmm msms msmu mssf mssm mssr msud msus mudd mudl muds mudu muff mufu muld mull mulm mulu mumm mums mumu murd murl murr murs muru musd musl muss musu rdms rfds rffl rlds rlls rlml rlms rmll rrrr rrum rsdd rsdl rsds rsml rssl rsum rudd rudl ruds ruff rull ruml rumm rums rurd rurs ruru russ rusu ruud sdds sdls sdms sdrs sdsf sdsl sdsm sdss sdsu sfls sfmm sfss sfsu slds sllm slmm slrs slsu slud slum slur smdr smls smrf smsd smss smur smus srsd ssdd ssdf ssdm ssfl ssml ssrl ssrm ssrs sssf sssm ssss sudd suds suf- suff sufr sufs sufu sul- suld sulf sull sulm sulu sum- sumd sums sumu sur- surd surf surr surs suru sus- susd suss susu suum suus udds udsd udsl ufms ullr ulmu ulul ulum ulus umff umms umsu umus urds urdu urff urls urss ursu urum urur urus usdf usdl usdm usds usfl usfs uslu usmd usmm usms ussf ussr usss ussu usul usus uulu uuuu