rpr rps rpt rpu rpz rra rrb rri rrk rrl rrp rrr rrs rrt rru rsa rsb rse rsi rsk rsl rsp rsr rss rst rsu rta rtb rte rti rtk rtl rtp rtr rts rtt rtu rtz rua rub rue rui ruk rup rur rus rut ruu ruz rza rzb rze saa sab sae sai sak sal sap sar sas sat sau saz sba sbb sbe sbi sbk sbl sbp sbr sbs sbt sbu se- sea seb see sei sek sel sep ser ses set seu sez sia sib sie sii sik sil sip sir sis sit siu sk- ska skb ske ski skk skl skp skr sks skt sku sla slb sle sli slk sll slp slr sls slt slu spa spb spe spi spk spl spp spr sps spt spu spz sr- sra srb sre sri srk srl srp srr srs srt ss- ssa ssb sse ssi ssk ssl ssp ssr sss sst ssu ssz sta stb ste sti stk stl stp str sts stt stu stz sua sub sue sui suk sul sup sur sus sut suu suz sza sze szi szl szp szr szu taa tab tae tai tak tal tap tar tas tat tau taz tba tbb tbe tbi tbk tbl tbp tbr tbs tbt tbu tbz te- tea teb tee tei tek tel tep ter tes tet teu tez tia tib tie tii tik til tip tir tis tit tiu tiz tka tkb tke tkk tkl tkp tkr tks tkt tkz tla tle tli tlk tll tlp tlr tls tlt tlu tlz tpa tpb tpe tpi tpk tpl tpp tpr tps tpt tpu tpz tra trb tre tri trk trl trp trr trs trt tru trz tsa tsb tse tsi tsk tsl tsp tsr tss tst tsu tta ttb tte tti ttk ttl ttp ttr tts ttt ttu tua tub tue tui tuk tul tup tur tus tut tuu tuz tza tze tzs tzu ua- uaa uab uae uai uak ual uap uar uas uat uau uaz uba ubb ube ubi ubk ubl ubp ubr ubs ubt ubu uea ueb uee uei uel uep uer ues uet uia uib uie uii uil uip uir uis uit uiu uka ukb uke uki ukk ukl ukp ukr uku ukz ula ulb ule uli ulk ull ulp ulr uls ult ulu up- upa upb upe upi upk upp upr ups upt upu upz ur- ura urb ure uri urk url urp urr urs urt uru urz usa usb use usi usk usl usp usr uss ust usu usz uta utb ute uti utk utl utp utr uts utt utu utz uua uue uur uus uut uuu uza uzb uzi uzu zaa zab zai zak zap zar zas zat zaz zbb zbl zbr zbs zbt zea zeb zee zek zel zep zer zes zet zez zia zib zie zik zil zip zir zis zit ziz zka zks zla zlr zlt zpe zpi zpl zpp zpr zpt zpu zrl zrp zrs zsa zse zsi zsl zst zsu zsz zta zte ztl ztr zub zui zuk zul zur zus zut zuz zzr zzs zzt zzz