-ic -up a-a a-b a-c a-i aaa aab aac aai aap aar aas aau ab- aba abb abc abi abp abr abs abu ac- aca acb acc aci acp acr acs acu ai- aia aib aic aii aip air ais aiu ap- apa apb apc api app apr aps apu ar- ara arb arc ari arp arr ars aru as- asa asb asc asi asp asr ass asu au- aua aub auc aui aup aur aus b-p b-u baa bab bac bai bap bar bas bau bba bbb bbc bbi bbp bbr bbs bbu bca bcb bcc bci bcp bcr bcs bcu bi- bia bib bic bii bip bir bis biu bpa bpb bpc bpi bpp bpr bps bpu bra brb bri brp brr brs bru bsa bsb bsc bsi bsp bsr bss bsu bua bub buc bui bup bur bus buu c-- caa cab cac cai cap car cas cau cba cbb cbc cbi cbp cbr cbs cbu cca ccb ccc cci ccp ccr ccs ccu ci- cia cib cic cii cip cir cis ciu cpa cpb cpc cpi cpp cpr cps cpu cra crb crc cri crp crr crs cru csa csb csc csi csp csr css csu cua cub cuc cui cup cur cus cuu ia- iaa iab iac iai iap iar ias iau iba ibb ibc ibi ibp ibr ibs ibu ica icb icc ici icp icr ics icu iia iib iic iii iip iir iis iiu ipa ipb ipc ipi ipp ipr ips ipu ir- ira irb irc iri irp irr irs iru is- isa isb isc isi isp isr iss isu iu- iua iub iuc iui iup iur ius p-p paa pab pac pai pap par pas pau pba pbb pbc pbi pbp pbr pbs pbu pca pcb pcc pci pcp pcr pcs pcu pia pib pic pii pip pir pis piu ppa ppb ppc ppi ppp ppr pps ppu pra prb prc pri prp prr prs pru ps- psa psb psc psi psp psr pss psu pua pub puc pui pup pur pus puu ra- raa rab rac rai rap rar ras rau rba rbb rbc rbi rbp rbr rbs rbu rca rcb rcc rci rcp rcr rcs rcu ria rib ric rii rip rir ris rpa rpb rpc rpi rpp rpr rps rpu rra rrb rrc rri rrp rrr rrs rru rsa rsb rsc rsi rsp rsr rss rsu rua rub ruc rui rup rur rus ruu saa sab sac sai sap sar sas sau sba sbb sbc sbi sbp sbr sbs sbu sca scb scc sci scp scr scs scu sia sib sic sii sip sir sis siu spa spb spc spi spp spr sps spu sr- sra srb src sri srp srr srs ss- ssa ssb ssc ssi ssp ssr sss ssu sua sub suc sui sup sur sus suu ua- uaa uab uac uai uap uar uas uau uba ubb ubc ubi ubp ubr ubs ubu uca ucb ucc uci ucp ucr ucs ucu uia uib uic uii uip uir uis uiu up- upa upb upc upi upp upr ups upu ur- ura urb urc uri urp urr urs uru usa usb usc usi usp usr uss usu uua uuc uur uus uuu

a-ii aaaa aaab aaac aaai aaap aaar aaas aaba aabb aabc aabi aabp aaca aacb aacc aaci aacp aacr aacs aacu aaib aaic aaii aais aapa aapc aapi aaps aara aarc aari aarp aars aaru aasa aasc aasi aass aasu aaup aaus abaa abab abac abai abap abar abas abau abb- abba abbb abbi abbr abbs abca abcb abcc abci abcp abcr abcs abia abib abic abir abis abiu abpa abpc abpi abpp abpr abps abra abrc abri abrs abs- absa absi absp abss absu abua abus acaa acab acac acai acap acar acas acba acca accc acci accp accs accu aci- acia acic acip acir acis acpa acpi acpr acps acpu acr- acra acrc acri acrr acrs acsa acsc acsi acss acu- acup acur acus aiai aias aiba aica aicc aicp aicr aics aiia aiib aiic aiir aipa aipi aips aira airi airp airs aisa aisb aisi aisr aiui apac apai apap apar apas apba apbr apbs apca apcb apcc apcr apcs api- apia apic apip apis appa appc appr apps appu apra aprc apri aprs apsa apsi apss apsu apua apuc apup apus arab arac arai arap arar aras arau arba arbi arbs arc- arca arci arcs aria arib arii arip aris arpa arpi arps arpu arr- arra arrc arri arrr arrs arru ars- arsa arsc arsi arsu arua arub arui arup asaa asab asac asai asap asar asas asau asba asbu asc- asca ascb ascc asci ascp ascr asia asic asii asip asir asis aspa aspc aspi aspr asps asra asrc asrs asru assa assc assi assp assr asss assu asub asui asur asus auaa auca auci aucp auis aupc aups aur- aura auri ausa ausu ba-i baaa baar baas baba babb babi babr babs babu bac- baca bacc baci bacs baia baib baic bair bais bapa bapc bapi bapp baps bapu bar- bara barb barc bari barr bars baru basa basc basi bass basu bau- baur bbas bbau bbbb bbbs bbci bbpr bbrc bcaa bcap bcar bcas bcbc bcbp bcbs bcca bccc bcci bccs bcia bcis bcpp bcps bcra bcrs bcru bcsa bcsc bcss bcuc bcup biap biar bias biba bibb bibi bibs bica bicc bici bics biis bipa bipp bips bipu bira birb biri birr birs biru bis- bisa bisc bisp biss bisu bpai bpcp bprc bpsa bpsu brab brac brai bras brau brca brcb bria bric bris brrr brrs brsb brsr bruc brup brus bsaa bsac bsap bsas bsci bscp bscs bsic bspp bspr bsra bssc bsup buar buba bubb bubi bubs bubu buca bucc buci bucs bucu buic buir buis buiu bupa bupc bups bur- bura burb buri burp burr burs buru busa busc busi buss busu buus caaa caab caac caap caas caba cabi cabs cabu cac- caca cacc caci cacr caia caib caic caip cair cais caiu