cccc cccp cccu cchp cchr ccnc ccnp ccnr ccnu ccpn ccpp ccpr ccrc ccrp ccuc ccup chch chcp chnc chnr chpp chpr chrc chrn chrp chrr chun chur cncp cnrc cnrr cpcu crcc crcr crpc crun crup cucc cucn cunp cupp cupr curn curr hccc hcch hcpc hcrp hhhh hhpc hpcc hrpc hrpp hrrc hrun huch hucu huhn huhu hunc hunh hupp hurn hurr huru n-up nccc nccn nccp nccr nccu nchc ncnc ncpc ncrc ncrp nhcc nhnn nhrc nhrp nnnn nnpr npcc nppc nrpc nrpn nrrc nuch nucu nunc nunn nurc nurn nurp nurr nuru pccc pchp pcpn pcpp pcrc pcun phcc phrr phun pnpp pnup ppcc pppn pppp pprc ppru ppur prcc prcp prnp pruu puch puhn punc punu pupu pur- purp purr puru puuc rccc rcnr rhcp rhun rncp rppn rrrr rrun ruch ruhh ruhn ruhr runc runn rupp rurc rurp ruru ruun u-rp uccp ucph ucrc uhuh uhup uncc unch uncp unpc upnp uppc uppp uppu upup urch urrh urun urup urur uucp uuuu