-up a-a a-b a-i a-t aaa aab aai aap aar aas aat aau ab- aba abb abi abp abr abs abt abu ai- aia aib aii aip air ais ait aiu ap- apa apb api app apr aps apt apu ar- ara arb ari arp arr ars art aru as- asa asb asi asp asr ass ast asu at- ata atb ati atp atr ats att atu au- aua aub aui aup aur aus aut b-p b-u baa bab bai bap bar bas bat bau bba bbb bbi bbp bbr bbs bbt bbu bi- bia bib bii bip bir bis bit biu bpa bpb bpi bpp bpr bps bpt bpu bra brb bri brp brr brs brt bru bsa bsb bsi bsp bsr bss bst bsu bta btb bti btp btr bts btt btu bua bub bui bup bur bus but buu ia- iaa iab iai iap iar ias iat iau iba ibb ibi ibp ibr ibs ibt ibu iia iib iii iip iir iis iit iiu ipa ipb ipi ipp ipr ips ipt ipu ir- ira irb iri irp irr irs irt iru is- isa isb isi isp isr iss ist isu ita itb iti itp its itt itu iu- iua iub iui iup iur ius iut p-p paa pab pai pap par pas pat pau pba pbb pbi pbp pbr pbs pbt pbu pia pib pii pip pir pis pit piu ppa ppb ppi ppp ppr pps ppt ppu pra prb pri prp prr prs prt pru ps- psa psb psi psp psr pss pst psu pt- pta ptb pti ptp ptr pts ptt ptu pua pub pui pup pur pus put puu ra- raa rab rai rap rar ras rat rau rba rbb rbi rbp rbr rbs rbt rbu ria rib rii rip rir ris rit rpa rpb rpi rpp rpr rps rpt rpu rra rrb rri rrp rrr rrs rrt rru rsa rsb rsi rsp rsr rss rst rsu rta rtb rti rtp rtr rts rtt rtu rua rub rui rup rur rus rut ruu saa sab sai sap sar sas sat sau sba sbb sbi sbp sbr sbs sbt sbu sia sib sii sip sir sis sit siu spa spb spi spp spr sps spt spu sr- sra srb sri srp srr srs srt ss- ssa ssb ssi ssp ssr sss sst ssu sta stb sti stp str sts stt stu sua sub sui sup sur sus sut suu taa tab tai tap tar tas tat tau tba tbb tbi tbp tbr tbs tbt tbu tia tib tii tip tir tis tit tiu tpa tpb tpi tpp tpr tps tpt tpu tra trb tri trp trr trs trt tru tsa tsb tsi tsp tsr tss tst tsu tta ttb tti ttp ttr tts ttt ttu tua tub tui tup tur tus tut tuu ua- uaa uab uai uap uar uas uat uau uba ubb ubi ubp ubr ubs ubt ubu uia uib uii uip uir uis uit uiu up- upa upb upi upp upr ups upt upu ur- ura urb uri urp urr urs urt uru usa usb usi usp usr uss ust usu uta utb uti utp utr uts utt utu uua uur uus uut uuu