-up a-a a-t aaa aao aap aar aas aat aau aoa aoo aop aor aos aot aou ap- apa apo app apr aps apt apu ar- ara aro arp arr ars art aru as- asa aso asp asr ass ast asu at- ata ato atp atr ats att atu au- aua auo aup aur aus aut oaa oao oap oar oas oat oau oo- ooa ooo oop oor oos oot op- opa opo opp opr ops opt or- ora oro orp orr ors ort oru os- osa oso osp osr oss ost osu ot- ota oto otp otr ots ott otu ou- oua ouo oup our ous out p-p paa pao pap par pas pat pau poa poo pop por pos pot pou ppa ppo ppp ppr pps ppt ppu pra pro prp prr prs prt pru ps- psa pso psp psr pss pst psu pt- pta pto ptp ptr pts ptt ptu pua pup pur pus put puu ra- raa rao rap rar ras rat rau roa roo rop ror ros rot rou rpa rpo rpp rpr rps rpt rpu rra rrp rrr rrs rrt rru rsa rso rsp rsr rss rst rsu rta rto rtp rtr rts rtt rtu rua ruo rup rur rus rut ruu saa sao sap sar sas sat sau soa soo sop sor sos sot sou spa spo spp spr sps spt spu sr- sra sro srp srr srs srt ss- ssa sso ssp ssr sss sst ssu sta sto stp str sts stt stu sua suo sup sur sus sut suu taa tao tap tar tas tat tau to- toa too top tor tos tot tou tpa tpo tpp tpr tps tpt tpu tra tro trp trr trs trt tru tsa tso tsp tsr tss tst tsu tta tto ttp ttr tts ttt ttu tua tuo tup tur tus tut tuu ua- uaa uao uap uar uas uat uau uoa uoo uop uor uos uot up- upa upo upp upr ups upt upu ur- ura uro urp urr urs urt uru usa uso usp usr uss ust usu uta uto utp utr uts utt utu uua uur uus uut uuu