-up a-a a-b a-i aaa aab aai aap aar aas aau aax ab- aba abb abi abp abr abs abu abx ai- aia aib aii aip air ais aiu aix ap- apa apb api app apr aps apu apx ar- ara arb ari arp arr ars aru arx as- asa asb asi asp asr ass asu asx au- aua aub aui aup aur aus aux ax- axa axi axp axr axs axx b-p b-u baa bab bai bap bar bas bau bax bba bbb bbi bbp bbr bbs bbu bbx bi- bia bib bii bip bir bis biu bix bpa bpb bpi bpp bpr bps bpu bpx bra brb bri brp brr brs bru brx bsa bsb bsi bsp bsr bss bsu bsx bua bub bui bup bur bus buu bux bxb bxi bxx ia- iaa iab iai iap iar ias iau iba ibb ibi ibp ibr ibs ibu ibx iia iib iii iip iir iis iiu iix ipa ipb ipi ipp ipr ips ipu ipx ir- ira irb iri irp irr irs iru irx is- isa isb isi isp isr iss isu iu- iua iub iui iup iur ius ixi p-p paa pab pai pap par pas pau pax pba pbb pbi pbp pbr pbs pbu pbx pia pib pii pip pir pis piu pix ppa ppb ppi ppp ppr pps ppu ppx pra prb pri prp prr prs pru prx ps- psa psb psi psp psr pss psu psx pua pub pui pup pur pus puu pxr pxs ra- raa rab rai rap rar ras rau rax rba rbb rbi rbp rbr rbs rbu rbx ria rib rii rip rir ris rix rpa rpb rpi rpp rpr rps rpu rpx rra rrb rri rrp rrr rrs rru rsa rsb rsi rsp rsr rss rsu rsx rua rub rui rup rur rus ruu rux rxp rxr rxs saa sab sai sap sar sas sau sax sba sbb sbi sbp sbr sbs sbu sbx sia sib sii sip sir sis siu six spa spb spi spp spr sps spu spx sr- sra srb sri srp srr srs srx ss- ssa ssb ssi ssp ssr sss ssu ssx sua sub sui sup sur sus suu sux sxi sxs sxu ua- uaa uab uai uap uar uas uau uba ubb ubi ubp ubr ubs ubu ubx uia uib uii uip uir uis uiu up- upa upb upi upp upr ups upu upx ur- ura urb uri urp urr urs uru urx usa usb usi usp usr uss usu usx uua uur uus uuu uxb uxr uxu xaa xap xar xas xau xbr xbx xia xii xis xiu xix xpa xpb xpp xps xrx xsa xsb xsi xsp xss xui xup xus xxi xxp xxx

a-ii aaaa aaab aaai aaap aaar aaas aaba aabb aabi aabp aaib aaii aais aapa aapi aaps aara aari aarp aars aaru aasa aasi aass aasu aaup aaus abaa abab abai abap abar abas abau abax abb- abba abbb abbi abbr abbs abia abib abir abis abiu abpa abpi abpp abpr abps abra abri abrs abs- absa absi absp abss absu abua abus aiai aias aiba aiia aiib aiir aipa aipi aips aira airi airp airs airx aisa aisb aisi aisr aiui aixa aixi apai apap apar apas apax apba apbr apbs api- apia apip apis apix appa appr apps appu appx apra apri aprs apsa apsi apss apsu apua apup apus apxs arab arai arap arar aras arau arax arba arbi arbs aria arib arii arip aris arpa arpi arps arpu arr- arra arri arrr arrs arru ars- arsa arsi arsu arua arub arui arup asaa asab asai asap asar asas asau asba asbu asia asii asip asir asis asix aspa aspi aspr asps asra asrs asru assa assi assp assr asss assu asub asui asur asus auaa auis aups aur- aura auri ausa ausu auxa axar axi- axia axis axps ba-i ba-x baaa baar baas baba babb babi babr babs babu baia baib bair bais baix bapa bapi bapp baps bapu bar- bara barb bari barr bars baru barx basa basi bass basu bau- baur baux baxi bbas bbau bbbb bbbs bbpr biap biar bias biba bibb bibi bibs biis bipa bipp bips bipu bira birb biri birr birs biru birx bis- bisa bisp biss bisu bixa bixi bpai bpsa bpsu brab brai bras brau brax bria bris brix brrr brrs brsb brsr brup brus brux bsaa bsap bsas bsix bspp bspr bsra bsup buar buba bubb bubi bubs bubu buir buis buiu buix bupa bups bur- bura burb buri burp burr burs buru busa busi buss busu busx buus buxa iaaa iaai iaap iaas iaba iaia iais iapa iapp iaps iapu iapx iara iars iaru iasa iasi iasp iasr ibar ibas ibia ibis ibra ibri ibsa ibss ibus iias iiii iiis iipa iira iirs iisi iisp iisr iisu ipas ipba ipix ippa ippr ipri ipsa ipsi ipsp ipss ipur ipus irai irap irar iras irbp iri- iria irip iris irix irpa irps irra irri irrs irsa irsp irus is-a isai isar isas isba isbx isia isis ispa ispr isps isra isri isrp issa issi issp issr isss issu isua isup isus iuiu iupa iupp iura iuss ixia ixxi paap paar paas paba pabu pabx paia paib paip pair pais paix papa papb papi papp papr paps par- para pari parp parr pars paru pasa pasi pasp pass paua paup paur paus paxi pbar pbpa pbrs pbsa pbsp piai pias piau pibb pibi piia piip pipa pipi pipp pips pira piri pirr pirs piru pisa pisi piss pisu pius pixx ppap ppar ppib pppa pppp ppps ppru ppss ppur prai prar pras prau prbs pri- pria prii pris prix prps prri prrs prsa prsi prss prus pruu psap psas psbr psia psip psis pspi pspp pspr psps psrp pssa puar puas pubs pubu puir puis puiu pupa pupi pups pupu pur- pura purb puri purp purr purs puru pusa pusi puss puxi raab raas raba rabb rabi rabs rabu raia raii raip rair rais raiu raix