-al -er a-a a-b a-c aaa aab aac aae aag aah aak aal aar aau ab- aba abb abc abe abg abh abk abl abr abu ac- aca acb acc ace acg ach ack acl acr acu aea aeb aec aee aeg aeh aek ael aer aeu ag- aga agb agc age agg agh agk agl agr agu aha ahb ahc ahe ahg ahh ahk ahl ahr ahu aka akb akc ake akg akh akk akl akr aku al- ala alb alc ale alg alh alk all alr alu ar- ara arb arc are arg arh ark arl arr aru au- aua aub auc aue aug auh auk aul aur b-u baa bab bac bae bag bah bak bal bar bau bba bbb bbc bbe bbg bbh bbk bbl bbr bbu bca bcb bcc bce bcg bch bck bcl bcr bcu be- bea beb bec bee beg beh bek bel ber beu bga bgb bgc bge bgg bgh bgk bgl bgr bgu bha bhb bhc bhe bhg bhh bhk bhl bhr bhu bka bkb bkc bke bkg bkk bkl bkr bla blb blc ble blg blh blk bll blr blu bra brb bre brg brh brk brl brr bru bua bub buc bue bug buh buk bul bur buu c-- caa cab cac cae cag cah cak cal car cau cba cbb cbc cbe cbg cbh cbk cbl cbr cbu cca ccb ccc cce ccg cch cck ccl ccr ccu ce- cea ceb cec cee ceg ceh cek cel cer ceu cga cgb cgc cge cgg cgh cgl cgr cgu ch- cha chb chc che chg chh chk chl chr chu cka ckb ckc ckh cl- cla clb clc cle clg clh clk cll clr clu cra crb crc cre crg crh crk crl crr cru cua cub cuc cue cug cuh cuk cul cur cuu eaa eab eac eae eag eah eak eal ear eau eba ebb ebc ebe ebg ebh ebk ebl ebr ebu ec- eca ecb ecc ece ecg ech eck ecl ecr ecu eea eeb eec eee eeg eek eel eer ega egb egc ege egg egh egl egr egu eha ehb ehc ehe ehg ehh ehl ehr ehu eka ekb ekc eke ekg ekh ekl ekr eku ela elb elc ele elg elh elk ell elr elu era erb erc ere erg erh erk erl err eru eu- eua eub euc eue eug eul eur gaa gab gac gae gag gah gak gal gar gau gba gbc gbe gbg gbh gbk gbl gbr gbu gca gcb gcc gce gcg gch gck gcl gcr gcu ge- gea geb gec gee geg geh gek gel ger geu gga ggb ggc ggg ggh ggr ggu gha ghb ghc ghe ghg ghh ghl ghr gka gkb gkh gla glb glc gle glg glh glk gll glr glu gra grb grc gre grg grh grk grl grr gru gu- gua gub guc gue gug guk gul gur guu haa hab hac hae hag hah hak hal har hau hba hbb hbc hbe hbg hbh hbk hbl hbr hbu hca hcb hcc hce hcg hch hck hcl hcr he- hea heb hec hee heg heh hek hel her heu hga hgb hgc hge hgg hgh hgk hgl hgr hgu hha hhb hhc hhe hhg hhh hhk hhl hhr hhu hka hkb hkg hkh hkk hkl hkr hku hla hlb hlc hle hlg hlh hll hlr hlu hr- hra hrb hrc hre hrg hrh hrk hrl hrr hru hua hub huc hue hug huh huk hul hur huu ka- kaa kab kac kae kag kah kak kal kar kau kba kbb kbc kbe kbh kbk kbl kbr kbu kca kcb kcc kce kcg kch kck kcl kcr kcu ke- kea keb kec kee keg keh kek kel ker kga kgb kgc kgh kgl kgu kha khe khh khk khr khu kkb kkc kke kkh kkk kkl kkr kku kl- kla klb klc klg klh klr klu kra krc krg krk krl krr kru kub kuc kue kug kuh kuk kul kur kuu la- laa lab lac lae lag lah lak lal lar lau lba lbb lbc lbe lbg lbh lbk lbl lbr lbu lca lcb lcc lce lcg lch lck lcl lcr lcu lea leb lec lee leg leh lek lel ler leu lga lgb lgc lge lgg lgh lgk lgl lgr lgu lha lhb lhc lhh lhk lhr lhu lka lkb lkg lkh lkl lkr lla llb llc lle llg llk lll llr llu lra lrb lrc lrg lrh lrk lrr lru lua lub luc lue lug luh luk lul lur luu ra- raa rab rac rae rag rah rak ral rar rau rba rbb rbc rbe rbg rbh rbk rbl rbr rbu rca rcb rcc rce rcg rch rcl rcr rcu re- rea reb rec ree reg reh rek rel rer reu rga rgb rgc rge rgg rgh rgk rgr rh- rha rhb rhc rhe rhg rhh rhl rhr rhu rkb rkc rke rkg rkk rku rla rlc rle rlg rlh rll rlr rlu rra rrb rrc rrg rrh rrk rrl rrr rru rua rub ruc rue rug ruh ruk rur ruu ua- uaa uab uac uae uag uah uak ual uar uau uba ubb ubc ube ubg ubh ubk ubl ubr ubu uca ucb ucc uce ucg uch uck ucl ucr ucu uea ueb uec uee ueg ueh uel uer uga ugb ugc uge ugg ugh ugk ugl ugr ugu uha uhb uhc uhe uhh uhl uhr uhu uka ukb ukc uke ukk ukl ukr uku ula ulb ulc ule ulg ulk ull ulr ulu ur- ura urb urc ure urg urk url urr uru uua uuc uue uug uur uuu

a-ak a-be a-ha aaaa aaab aaac aaae aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aace aach aack aacl aacr aacu aaea aaec aage aagh aaha aahk aahl aaka aake aaku aala aalc aale aall aalu aara aarc aare aaru abaa abab abac abae abag abak abal abar abau abb- abba abbb abbe abbr abca