rnb rng rnh rnn rno rnr rns rnt roa rob roe rog roh rok ron roo ror ros rot rra rrb rrg rrh rrk rrn rrr rrs rrt rsa rsb rse rsg rsh rsk rsn rso rsr rss rst rta rtb rte rtg rtk rtn rto rtr rts rtt saa sab sae sag sah sak san sao sar sas sat sba sbb sbe sbg sbh sbk sbn sbo sbr sbs sbt se- sea seb see seg seh sek sen seo ser ses set sga sgb sge sgg sgh sgk sgn sgo sgr sgs sgt sh- sha shb she shg shh shk shn sho shr shs sht sk- ska skb ske skg skh skk sko skr sks skt sna snb sne sng snk snn sno snr sns snt soa sob soe sog soh sok son soo sor sos sot sr- sra srb sre srg srh srk srn sro srr srs srt ss- ssa ssb sse ssg ssh ssk ssn sso ssr sss sst sta stb ste stg sth stk stn sto str sts stt taa tab tae tag tah tak tan tao tar tas tat tba tbb tbe tbg tbh tbk tbn tbo tbr tbs tbt te- tea teb tee teg teh tek ten teo ter tes tet tga tgb tge tgg tgh tgk tgn tgo tgr tgs tgt th- tha thb the thg thh thk thn tho thr ths tht tka tkb tke tkg tkk tko tkr tks tkt tna tnb tne tng tnh tnk tnn tno tnr tns tnt to- toa tob toe tog toh tok ton too tor tos tot tra trb tre trg trh trk trn tro trr trs trt tsa tsb tse tsg tsh tsk tsn tso tsr tss tst tta ttb tte ttg tth ttk ttn tto ttr tts ttt