rlu rpa rpc rpe rpg rph rpk rpl rpp rpr rps rpu rra rrc rrg rrh rrk rrl rrp rrr rrs rru rsa rsc rse rsg rsh rsk rsl rsp rsr rss rsu rua ruc rue rug ruh ruk rup rur rus ruu saa sac sae sag sah sak sal sap sar sas sau sca scc sce scg sch sck scl scp scr scs scu se- sea sec see seg seh sek sel sep ser ses seu sga sgc sge sgg sgh sgk sgl sgp sgr sgs sgu sh- sha shc she shg shh shk shl shp shr shs shu sk- ska skc ske skg skh skk skl skp skr sks sku sla slc sle slg slh slk sll slp slr sls slu spa spc spe spg sph spk spl spp spr sps spu sr- sra src sre srg srh srk srl srp srr srs ss- ssa ssc sse ssg ssh ssk ssl ssp ssr sss ssu sua suc sue sug suh suk sul sup sur sus suu ua- uaa uac uae uag uah uak ual uap uar uas uau uca ucc uce ucg uch uck ucl ucp ucr ucs ucu uea uec uee ueg ueh uel uep uer ues uga ugc uge ugg ugh ugk ugl ugp ugr ugs ugu uha uhc uhe uhh uhl uhp uhr uhs uhu uka ukc uke ukk ukl ukp ukr uku ula ulc ule ulg ulk ull ulp ulr uls ulu up- upa upc upe upg uph upk upp upr ups upu ur- ura urc ure urg urk url urp urr urs uru usa usc use usg ush usk usl usp usr uss usu uua uuc uue uug uur uus uuu