-al -er a-a a-b a-c aaa aab aac aae aaj aak aal aam aar aau ab- aba abb abc abe abj abk abl abm abr abu ac- aca acb acc ace acj ack acl acm acr acu aea aeb aec aee aej aek ael aem aer aeu aja ajb ajc aje ajj ajk ajl ajm ajr aju aka akb akc ake akj akk akl akm akr aku al- ala alb alc ale alj alk all alm alr alu ama amb amc ame amk aml amm amr amu ar- ara arb arc are arj ark arl arm arr aru au- aua aub auc aue auj auk aul aum aur b-u baa bab bac bae baj bak bal bam bar bau bba bbb bbc bbe bbk bbl bbm bbr bbu bca bcb bcc bce bcj bck bcl bcm bcr bcu be- bea beb bec bee bek bel bem ber beu bja bjc bjj bjk bjm bjr bju bka bkb bkc bke bkk bkl bkm bkr bla blb blc ble blj blk bll blm blr blu bma bmb bmc bme bmj bmk bml bmm bmr bmu bra brb bre brj brk brl brm brr bru bua bub buc bue buj buk bul bum bur buu c-- c-j caa cab cac cae caj cak cal cam car cau cba cbb cbc cbe cbj cbk cbl cbm cbr cbu cca ccb ccc cce ccj cck ccl ccm ccr ccu ce- cea ceb cec cee cej cek cel cem cer ceu cja cjb cjc cjk cjr cka ckb ckc ckm cl- cla clb clc cle clj clk cll clm clr clu cma cmb cmc cme cmj cmk cml cmm cmr cmu cra crb crc cre crj crk crl crm crr cru cua cub cuc cue cuk cul cum cur cuu eaa eab eac eae eaj eak eal eam ear eau eba ebb ebc ebe ebj ebk ebl ebm ebr ebu ec- eca ecb ecc ece ecj eck ecl ecm ecr ecu eea eeb eec eee eek eel eem eer eja ejc ejl eju eka ekb ekc eke ekl ekr eku ela elb elc ele elk ell elm elr elu em- ema emb emc eme emk eml emm emr emu era erb erc ere erk erl erm err eru eu- eua eub euc eue euj eul eur jaa jab jac jae jaj jak jal jam jar jau jba jbc jbj jbk jbl jbm jbr jbu jca jcb jcc jce jck jcl jcm jcr jcu jea jeb jec jee jej jek jel jem jer jeu jja jjb jjc jjj jjk jjl jjr jju jka jkb jkk jkl jkm jkr jku jla jlb jlc jle jll jlm jlr jlu jma jmb jmc jme jmj jml jmm jmr jmu jra jrb jrc jrk jrl jrm jrr jub jue juk jul jum jur ka- kaa kab kac kae kaj kak kal kam kar kau kba kbb kbc kbe kbk kbl kbm kbr kbu kca kcb kcc kce kck kcl kcm kcr kcu ke- kea keb kec kee kek kel kem ker kjb kjc kje kjr kju kkb kkc kke kkk kkl kkm kkr kku kl- kla klb klc klm klr klu kma kmb kmc kme kmj kmk kml kmm kmu kra krc krk krl krr kru kub kuc kue kuj kuk kul kum kur kuu la- laa lab lac lae laj lak lal lam lar lau lba lbb lbc lbe lbj lbk lbl lbm lbr lbu lca lcb lcc lce lcj lck lcl lcm lcr lcu lea leb lec lee lej lek lel lem ler leu lje ljj ljm lju lka lkb lkl lkr lla llb llc lle llj llk lll llm llr llu lma lmb lmc lme lmj lmk lml lmm lmr lmu lra lrb lrc lrk lrm lrr lru lua lub luc lue luk lul lum lur luu m-r maa mab mac mae maj mak mal mam mar mau mba mbb mbc mbe mbj mbk mbl mbm mbr mbu mc- mca mcb mcc mce mck mcl mcm mcr mcu mea meb mec mee mej mek mel mem mer meu mjb mjc mje mjj mjk mjl mjm mjr mka mkb mkc mke mkk mkl mkm mkr mku mla mlb mlc mle mlk mll mlm mlr mlu mma mmb mmc mme mmj mmk mml mmm mmr mmu mra mrb mrc mre mrj mrk mrl mrm mrr mru mua mub muc mue muj muk mul mum mur muu ra- raa rab rac rae raj rak ral ram rar rau rba rbb rbc rbe rbk rbl rbm rbr rbu rca rcb rcc rce rcj rcl rcm rcr rcu re- rea reb rec ree rek rel rem rer reu rja rjc rjk rjm rjr rkb rkc rke rkk rkm rku rla rlc rle rll rlm rlr rlu rma rmb rmc rme rml rmm rmr rra rrb rrc rrk rrl rrm rrr rru rua rub ruc rue ruk rum rur ruu ua- uaa uab uac uae uaj uak ual uam uar uau uba ubb ubc ube ubk ubl ubr ubu uca ucb ucc uce ucj uck ucl ucm ucr ucu uea ueb uec uee uel uem uer ujc uka ukb ukc uke ukk ukl ukr uku ula ulb ulc ule ulk ull ulm ulr ulu um- uma umb umc ume uml umm umr umu ur- ura urb urc ure urk url urm urr uru uua uuc uue uum uur uuu

a-ak a-be aaaa aaab aaac aaae aaal aaam aaar aaba aabb aabc aabl aabm aaca aacb aacc aace aack aacl aacm aacr aacu aaea aaec aaem aaka aake aaku aala aalc aale aall aalu aama aamb aamc aame aamr aara aarc aare aarm aaru abaa abab abac abae abaj abak abal abam abar abau abb- abba abbb abbe abbr abca abcb abcc abcl abcr abec abee abel aber abla able ablj abma abmb abmc abra abrc abua abue abuk abul abum acaa acab acac acae acar acba acbl acca accc acce accm accu ace- acea acec acek acel acem acer acke acla aclc acle aclr aclu acma acmc acme acmu acr- acra acrc acre acrm