-er -up a-a a-b a-c aaa aab aac aae aaj aak aam aap aar aau ab- aba abb abc abe abj abk abm abp abr abu ac- aca acb acc ace acj ack acm acp acr acu aea aeb aec aee aej aek aem aep aer aeu aja ajb ajc aje ajj ajk ajm ajp ajr aju aka akb akc ake akj akk akm akp akr aku ama amb amc ame amk amm amp amr amu ap- apa apb apc ape apj apk apm app apr apu ar- ara arb arc are arj ark arm arp arr aru au- aua aub auc aue auj auk aum aup aur b-p b-u baa bab bac bae baj bak bam bap bar bau bba bbb bbc bbe bbk bbm bbp bbr bbu bca bcb bcc bce bcj bck bcm bcp bcr bcu be- bea beb bec bee bek bem bep ber beu bja bjc bjj bjk bjm bjp bjr bju bka bkb bkc bke bkk bkm bkp bkr bma bmb bmc bme bmj bmk bmm bmp bmr bmu bpa bpb bpc bpe bpm bpp bpr bpu bra brb bre brj brk brm brp brr bru bua bub buc bue buj buk bum bup bur buu c-- c-j caa cab cac cae caj cak cam cap car cau cba cbb cbc cbe cbj cbk cbm cbp cbr cbu cca ccb ccc cce ccj cck ccm ccp ccr ccu ce- cea ceb cec cee cej cek cem cep cer ceu cja cjb cjc cjk cjp cjr cka ckb ckc ckm cma cmb cmc cme cmj cmk cmm cmp cmr cmu cpa cpb cpc cpe cpj cpk cpm cpp cpr cpu cra crb crc cre crj crk crm crp crr cru cua cub cuc cue cuk cum cup cur cuu eaa eab eac eae eaj eak eam eap ear eau eba ebb ebc ebe ebj ebk ebm ebp ebr ebu ec- eca ecb ecc ece ecj eck ecm ecr ecu eea eeb eec eee eek eem eep eer eja ejc ejp eju eka ekb ekc eke ekp ekr eku em- ema emb emc eme emk emm emp emr emu ep- epa epb epc epe epm epp epr epu era erb erc ere erk erm erp err eru eu- eua eub euc eue euj eup eur jaa jab jac jae jaj jak jam jap jar jau jba jbc jbj jbk jbm jbr jbu jca jcb jcc jce jck jcm jcp jcr jcu jea jeb jec jee jej jek jem jep jer jeu jja jjb jjc jjj jjk jjp jjr jju jka jkb jkk jkm jkp jkr jku jma jmb jmc jme jmj jmm jmp jmr jmu jpa jpb jpc jpe jpj jpm jpp jpr jra jrb jrc jrk jrm jrp jrr jub jue juk jum jup jur ka- kaa kab kac kae kaj kak kam kap kar kau kba kbb kbc kbe kbk kbm kbp kbr kbu kca kcb kcc kce kck kcm kcp kcr kcu ke- kea keb kec kee kek kem kep ker kjb kjc kje kjr kju kkb kkc kke kkk kkm kkp kkr kku kma kmb kmc kme kmj kmk kmm kmp kmu kpa kpc kpe kpk kpm kpp kpr kpu kra krc krk krp krr kru kub kuc kue kuj kuk kum kup kur kuu m-r maa mab mac mae maj mak mam map mar mau mba mbb mbc mbe mbj mbk mbm mbp mbr mbu mc- mca mcb mcc mce mck mcm mcp mcr mcu mea meb mec mee mej mek mem mep mer meu mjb mjc mje mjj mjk mjm mjp mjr mka mkb mkc mke mkk mkm mkp mkr mku mma mmb mmc mme mmj mmk mmm mmp mmr mmu mpa mpb mpc mpe mpk mpm mpp mpr mpu mra mrb mrc mre mrj mrk mrm mrp mrr mru mua mub muc mue muj muk mum mup mur muu p-p paa pab pac pae paj pak pam pap par pau pba pbb pbc pbe pbj pbk pbm pbp pbr pbu pca pcb pcc pce pcj pck pcm pcp pcr pcu pea peb pec pee pek pem pep per peu pja pjc pjm pjp pka pkb pkc pke pkm pkp pkr pku pma pmb pmc pme pmk pmm pmp pmr pmu ppa ppb ppc ppe ppj ppk ppm ppp ppr ppu pra prb prc pre prk prm prp prr pru pua pub puc pue puj puk pum pup pur puu ra- raa rab rac rae raj rak ram rap rar rau rba rbb rbc rbe rbk rbm rbp rbr rbu rca rcb rcc rce rcj rcm rcp rcr rcu re- rea reb rec ree rek rem rep rer reu rja rjc rjk rjm rjp rjr rkb rkc rke rkk rkm rkp rku rma rmb rmc rme rmm rmp rmr rpa rpb rpc rpe rpk rpm rpp rpr rpu rra rrb rrc rrk rrm rrp rrr rru rua rub ruc rue ruk rum rup rur ruu ua- uaa uab uac uae uaj uak uam uap uar uau uba ubb ubc ube ubk ubp ubr ubu uca ucb ucc uce ucj uck ucm ucp ucr ucu uea ueb uec uee uem uep uer ujc uka ukb ukc uke ukk ukp ukr uku um- uma umb umc ume umm ump umr umu up- upa upb upc upe upj upk upm upp upr upu ur- ura urb urc ure urk urm urp urr uru uua uuc uue uum uur uuu

a-ak a-be aaaa aaab aaac aaae aaam aaap aaar aaba aabb aabc aabm aabp aaca aacb aacc aace aack aacm aacp aacr aacu aaea aaec aaem aaep aaka aake aaku aama aamb aamc aame aamp aamr aapa aapc aapm aara aarc aare aarm aarp aaru aaup abaa abab abac abae abaj abak abam abap abar abau abb- abba abbb abbe abbr abca abcb abcc abcp abcr abec abee aber abma abmb abmc abpa abpc abpm abpp abpr abra abrc abua abue abuk abum acaa acab acac acae acap acar acba acca accc acce accm accp accu ace- acea acec acek acem acer acke acma