-up a-a a-b a-c aaa aab aac aam aap aar aas aau ab- aba abb abc abm abp abr abs abu ac- aca acb acc acm acp acr acs acu ama amb amc amm amp amr ams amu ap- apa apb apc apm app apr aps apu ar- ara arb arc arm arp arr ars aru as- asa asb asc asm asp asr ass asu au- aua aub auc aum aup aur aus b-p b-u baa bab bac bam bap bar bas bau bba bbb bbc bbm bbp bbr bbs bbu bca bcb bcc bcm bcp bcr bcs bcu bma bmb bmc bmm bmp bmr bms bmu bpa bpb bpc bpm bpp bpr bps bpu bra brb brm brp brr brs bru bsa bsb bsc bsm bsp bsr bss bsu bua bub buc bum bup bur bus buu c-- caa cab cac cam cap car cas cau cba cbb cbc cbm cbp cbr cbs cbu cca ccb ccc ccm ccp ccr ccs ccu cma cmb cmc cmm cmp cmr cms cmu cpa cpb cpc cpm cpp cpr cps cpu cra crb crc crm crp crr crs cru csa csb csc csm csp csr css csu cua cub cuc cum cup cur cus cuu m-r maa mab mac mam map mar mas mau mba mbb mbc mbm mbp mbr mbs mbu mc- mca mcb mcc mcm mcp mcr mcs mcu mma mmb mmc mmm mmp mmr mms mmu mpa mpb mpc mpm mpp mpr mps mpu mra mrb mrc mrm mrp mrr mrs mru msa msb msc msm msp msr mss msu mua mub muc mum mup mur mus muu p-p paa pab pac pam pap par pas pau pba pbb pbc pbm pbp pbr pbs pbu pca pcb pcc pcm pcp pcr pcs pcu pma pmb pmc pmm pmp pmr pms pmu ppa ppb ppc ppm ppp ppr pps ppu pra prb prc prm prp prr prs pru ps- psa psb psc psm psp psr pss psu pua pub puc pum pup pur pus puu ra- raa rab rac ram rap rar ras rau rba rbb rbc rbm rbp rbr rbs rbu rca rcb rcc rcm rcp rcr rcs rcu rma rmb rmc rmm rmp rmr rms rpa rpb rpc rpm rpp rpr rps rpu rra rrb rrc rrm rrp rrr rrs rru rsa rsb rsc rsm rsp rsr rss rsu rua rub ruc rum rup rur rus ruu saa sab sac sam sap sar sas sau sba sbb sbc sbm sbp sbr sbs sbu sca scb scc scm scp scr scs scu sma smb smc smm smp smr sms smu spa spb spc spm spp spr sps spu sr- sra srb src srm srp srr srs ss- ssa ssb ssc ssm ssp ssr sss ssu sua sub suc sum sup sur sus suu ua- uaa uab uac uam uap uar uas uau uba ubb ubc ubp ubr ubs ubu uca ucb ucc ucm ucp ucr ucs ucu um- uma umb umc umm ump umr ums umu up- upa upb upc upm upp upr ups upu ur- ura urb urc urm urp urr urs uru usa usb usc usm usp usr uss usu uua uuc uum uur uus uuu

aaaa aaab aaac aaam aaap aaar aaas aaba aabb aabc aabm aabp aaca aacb aacc aacm aacp aacr aacs aacu aama aamb aamc aamp aamr aams aapa aapc aapm aaps aara aarc aarm aarp aars aaru aasa aasc aasm aass aasu aaup aaus abaa abab abac abam abap abar abas abau abb- abba abbb abbr abbs abca abcb abcc abcp abcr abcs abma abmb abmc abms abpa abpc abpm abpp abpr abps abra abrc abrs abs- absa absp abss absu abua abum abus acaa acab acac acap acar acas acba acca accc accm accp accs accu acma acmc acmp acms acmu acpa acpm acpr acps acpu acr- acra acrc acrm acrr acrs acsa acsc acsm acss acu- acum acup acur acus amaa amac amam amap amar amas amb- amba ambr ambs ambu amca amcc amcs amm- amma ammu ampa ampc ampm amps amra amrc amsa amsc amss amua amum amur apac apam apap apar apas apba apbr apbs apca apcb apcc apcm apcr apcs apma appa appc appr apps appu apra aprc aprs apsa apss apsu apua apuc apum apup apus arab arac aram arap arar aras arau arba arbs arc- arca arcm arcs arma armc armm arms armu arpa arps arpu arr- arra arrc arrr arrs arru ars- arsa arsc arsu arua arub arum arup asaa asab asac asam asap asar asas asau asba asbm asbu asc- asca ascb ascc ascp ascr asma asmm asmp asmr asms aspa aspc aspm aspr asps asra asrc asrm asrs asru assa assc assp assr asss assu asub asum asur asus auaa auca aucp auma aupc aups aur- aura ausa ausm ausu baaa baam baar baas baba babb babm babr babs babu bac- baca bacc bacs bama bamb bamc bamm bamp bams bamu bapa bapc bapp baps bapu bar- bara barb barc barm barr bars baru basa basc bass basu bau- baum baur bbas bbau bbbb bbbs bbcm bbpr bbrc bcaa bcam bcap bcar bcas bcbc bcbp bcbs bcca bccc bccm bccs bcma bcmp bcms bcpp bcps bcra bcrs bcru bcsa bcsc bcsm bcss bcuc bcup bmaa bmus bpcp bpmc bpms bprc bpsa bpsu brab brac bram bras brau brca brcb brmc brrm brrr brrs brsb brsr bruc brum brup brus bsaa bsac bsam bsap bsas bscp bscs bsms bspp bspr bsra bsrm bssc bssm bsup buar buba bubb bubs bubu buca bucc bucs bucu bum- buma bumb bump bums bupa bupc bups bur- bura burb burm burp burr burs buru busa busc buss busu buus caaa caab caac caam caap caas caba cabs cabu cac- caca cacc cacm cacr cama camb camc camm camp cams capa capb capc capm capp caps capu cara carb carc carm carp carr cars casa casb casc casm casp casr cass casu cauc caum caup caus cbac cbar cbbc cbbs cbca cbcc cbcm cbcp cbcr cbcs cbcu cbms