pute putt putu puuc rccc rcdc rcde rcep rcet rcmp rcpd rcpt rcrd rctc rdcm rder rdpc recc recd rece reck recm recp recr rect recu redc redd rede redr redu reed reek reem reep reet reke rekt reme remp repe repp repr rept repu rerd rere rert reru retd rete retr rett reue reuk reup reut reuu rmrp rmtu rpdp rpet rptd rred rrkm rrmc rrmp rrrr rrum rtcc rtce rtcm rtdt rtee rtmc rtmp rttp ruce ruck ruct rudd rude rudp rued ruer ruet ruke rukk ruku rume rumm rump rumt rupe rupp rupt rurc rurd rure rurp ruru rute rutt rutu ruud tccc tccu tcdd tcep tctc tdkp tdkr teck tecr tect tedd tede tedk tedm teec teed teek teem teer teet teke teme temp temu tepe tepp tepu ter- terc tere terk term terp terr teru tete tetr tett tetu teuk teut tmcc tmcm tmdp tmed tmep tmmk tmtt tpcd tpck tpcp tpdu tped tper tpke tpmt tppd tppp tppr tpte tptp tptr tput trcc tre- trec tred tree trek trem tret treu trmd trmk trmu trpc trpe trpm trpp trtc trte trtr truc trud true truk trut truu ttcp tter tttt tucc tuck tude tudu tuer tuet tuke tume tump tumu tupe tupu turc turd ture turk turm turp turr turt turu tute tutt tutu tuum u-rp uccp ucdc ucdd ucmc ucrc ucut udem uder udet udmc udpd uduk ukcc ukek ukeu ukrc ukum ukup ukur umde umec umer umet umpc umpe umut updm uped upmc upme uppc uppe uppp uppu upup urde urdu ure- ured uret urke urre urte uruk urum urup urur urut utec utep uter utmp utpd uttu uucp uuuu