rbo rbp rbr rbs rbt re- rea reb ree reg reh rel reo rep rer res ret rga rgb rge rgg rgh rgo rgp rgr rgs rgt rh- rha rhb rhe rhg rhh rhl rho rhp rhr rhs rht rla rle rlg rlh rll rlo rlp rlr rls rlt roa rob roe rog roh rol roo rop ror ros rot rpa rpb rpe rpg rph rpl rpo rpp rpr rps rpt rra rrb rrg rrh rrl rrp rrr rrs rrt rsa rsb rse rsg rsh rsl rso rsp rsr rss rst rta rtb rte rtg rtl rto rtp rtr rts rtt saa sab sae sag sah sal sao sap sar sas sat sba sbb sbe sbg sbh sbl sbo sbp sbr sbs sbt se- sea seb see seg seh sel seo sep ser ses set sga sgb sge sgg sgh sgl sgo sgp sgr sgs sgt sh- sha shb she shg shh shl sho shp shr shs sht sla slb sle slg slh sll slo slp slr sls slt soa sob soe sog soh sol soo sop sor sos sot spa spb spe spg sph spl spo spp spr sps spt sr- sra srb sre srg srh srl sro srp srr srs srt ss- ssa ssb sse ssg ssh ssl sso ssp ssr sss sst sta stb ste stg sth stl sto stp str sts stt taa tab tae tag tah tal tao tap tar tas tat tba tbb tbe tbg tbh tbl tbo tbp tbr tbs tbt te- tea teb tee teg teh tel teo tep ter tes tet tga tgb tge tgg tgh tgl tgo tgp tgr tgs tgt th- tha thb the thg thh thl tho thp thr ths tht tla tle tlg tlh tll tlo tlp tlr tls tlt to- toa tob toe tog toh tol too top tor tos tot tpa tpb tpe tpg tph tpl tpo tpp tpr tps tpt tra trb tre trg trh trl tro trp trr trs trt tsa tsb tse tsg tsh tsl tso tsp tsr tss tst tta ttb tte ttg tth ttl tto ttp ttr tts ttt