rip rir ris rke rkk rkm rkp rks rku rla rld rle rli rll rlm rlp rlr rls rlu rma rmd rme rmi rml rmm rmp rmr rms rpa rpd rpe rpi rpk rpl rpm rpp rpr rps rpu rra rrd rri rrk rrl rrm rrp rrr rrs rru rsa rsd rse rsi rsk rsl rsm rsp rsr rss rsu rua rud rue rui ruk rum rup rur rus ruu saa sad sae sai sak sal sam sap sar sas sau sda sdd sde sdi sdk sdl sdm sdp sdr sds sdu se- sea sed see sei sek sel sem sep ser ses seu sia sid sie sii sik sil sim sip sir sis siu sk- ska skd ske ski skk skl skm skp skr sks sku sla sld sle sli slk sll slm slp slr sls slu sma smd sme smi smk sml smm smp smr sms smu spa spd spe spi spk spl spm spp spr sps spu sr- sra srd sre sri srk srl srm srp srr srs ss- ssa ssd sse ssi ssk ssl ssm ssp ssr sss ssu sua sud sue sui suk sul sum sup sur sus suu ua- uaa uad uae uai uak ual uam uap uar uas uau uda udd ude udi udk udl udm udp udr uds udu uea ued uee uei uel uem uep uer ues uia uid uie uii uil uim uip uir uis uiu uka uke uki ukk ukl ukp ukr uku ula uld ule uli ulk ull ulm ulp ulr uls ulu um- uma umd ume umi uml umm ump umr ums umu up- upa upd upe upi upk upm upp upr ups upu ur- ura urd ure uri urk url urm urp urr urs uru usa usd use usi usk usl usm usp usr uss usu uua uue uum uur uus uuu