c-p-c ccccc cccsd ccctv cddvd chgrp chstv cpctc cphpc csprs cstcc cstvt ctdrs cvtcs d-vhs ddddd dhcpd dpcch dpdch dprts dsphs dvd-d dvd-r gps-c grhpr grrrr gscps gshhg gtspp gtsss h-dvd h-tcp hddvd hdtvs hgprt hgttg hhhhh hhtdd hpsdr hpvpv hstcp hthrt httpd httpr https hvrhs p-sch pccts pctct pdshp pdvvp phccc phpht phtpp prcht pssst pssts ptprc ptprd ptprg ptprh ptprr ptprs ptprt pvrtc rcpsc rcpts rdtsc rgstc rhppc rrsps rsvpd rsvps s-gps s-rpg s-sch s-vhs scrch scrsp scrtd sctrs shddr shdtr shhhh shprh shthg srvcc srvhs ssdrs ssgts ssptv ssssh sssss sthrt strrs sttch svgsd t-v-h tchrs thrsp thsts thttp tppts trhdr tsch- tsgts tsrcs ttttt tvvcr v-src vcdhd vchsr vhs-c