dddd ddss dmds dmss dmus dnus dsdm dsms dssn dudd duds dudu dumm dums dunn duns mddm mdds mdsd mdud mmds mmmd mmmm mmms mmsd mmsu mmun mmus msdn msmm msms msmu mssm msud msun msus mudd muds mudu mumm mums mumu mund munn muns munu musd muss musu ndss nmds nnnn nnss nsds nsss nudd numm nums numu nunn nuns nuss nusu sdds sdms sdsm sdss sdsu smsd smsn smss smus snns snsd snum snus ssdd ssdm ssns sssm ssss sudd suds sum- sumd sums sumu sun- sund sunn suns sunu sus- susd suss susu suum suus udds udsd udun umms umsu umus unds unns uns- unum unus usdm usds usmd usmm usms usnu usss ussu usun usus uuuu