-al -er -ic a-a a-b a-c a-i aaa aab aac aae aag aai aak aal aar aau ab- aba abb abc abe abg abi abk abl abr abu ac- aca acb acc ace acg aci ack acl acr acu aea aeb aec aee aeg aei aek ael aer aeu ag- aga agb agc age agg agi agk agl agr agu ai- aia aib aic aie aig aii aik ail air aiu aka akb akc ake akg aki akk akl akr aku al- ala alb alc ale alg ali alk all alr alu ar- ara arb arc are arg ari ark arl arr aru au- aua aub auc aue aug aui auk aul aur b-u baa bab bac bae bag bai bak bal bar bau bba bbb bbc bbe bbg bbi bbk bbl bbr bbu bca bcb bcc bce bcg bci bck bcl bcr bcu be- bea beb bec bee beg bei bek bel ber beu bga bgb bgc bge bgg bgi bgk bgl bgr bgu bi- bia bib bic bie big bii bik bil bir biu bka bkb bkc bke bkg bkk bkl bkr bla blb blc ble blg bli blk bll blr blu bra brb bre brg bri brk brl brr bru bua bub buc bue bug bui buk bul bur buu c-- caa cab cac cae cag cai cak cal car cau cba cbb cbc cbe cbg cbi cbk cbl cbr cbu cca ccb ccc cce ccg cci cck ccl ccr ccu ce- cea ceb cec cee ceg cei cek cel cer ceu cga cgb cgc cge cgg cgi cgl cgr cgu ci- cia cib cic cie cig cii cik cil cir ciu cka ckb ckc cki cl- cla clb clc cle clg cli clk cll clr clu cra crb crc cre crg cri crk crl crr cru cua cub cuc cue cug cui cuk cul cur cuu eaa eab eac eae eag eai eak eal ear eau eba ebb ebc ebe ebg ebi ebk ebl ebr ebu ec- eca ecb ecc ece ecg eci eck ecl ecr ecu eea eeb eec eee eeg eek eel eer ega egb egc ege egg egi egl egr egu eia eib eic eie eig eii eik eil eir eiu eka ekb ekc eke ekg eki ekl ekr eku ela elb elc ele elg eli elk ell elr elu era erb erc ere erg eri erk erl err eru eu- eua eub euc eue eug eui eul eur gaa gab gac gae gag gai gak gal gar gau gba gbc gbe gbg gbi gbk gbl gbr gbu gca gcb gcc gce gcg gci gck gcl gcr gcu ge- gea geb gec gee geg gei gek gel ger geu gga ggb ggc ggg ggi ggr ggu gia gib gic gie gig gii gik gil gir giu gka gkb gla glb glc gle glg gli glk gll glr glu gra grb grc gre grg gri grk grl grr gru gu- gua gub guc gue gug gui guk gul gur guu ia- iaa iab iac iae iag iai ial iar iau iba ibb ibc ibe ibg ibi ibk ibl ibr ibu ica icb icc ice icg ici ick icl icr icu ie- iea iec iee ieg iei iek iel ier iga igb igc ige igg igi igk igl igr igu iia iib iic iie iii iil iir iiu ika ikb ikc ike iki ikk ikl ikr iku il- ila ilb ilc ile ilg ili ilk ill ilr ilu ir- ira irb irc ire irg iri irk irl irr iru iu- iua iub iuc iue iug iui iur ka- kaa kab kac kae kag kai kak kal kar kau kba kbb kbc kbe kbi kbk kbl kbr kbu kca kcb kcc kce kcg kci kck kcl kcr kcu ke- kea keb kec kee keg kei kek kel ker kga kgb kgc kgi kgl kgu kia kib kic kie kig kii kik kil kir kiu kkb kkc kke kki kkk kkl kkr kku kl- kla klb klc klg kli klr klu kra krc krg kri krk krl krr kru kub kuc kue kug kui kuk kul kur kuu la- laa lab lac lae lag lai lak lal lar lau lba lbb lbc lbe lbg lbi lbk lbl lbr lbu lca lcb lcc lce lcg lci lck lcl lcr lcu lea leb lec lee leg lei lek lel ler leu lga lgb lgc lge lgg lgi lgk lgl lgr lgu lia lib lic lie lig lii lik lil lir liu lka lkb lkg lkl lkr lla llb llc lle llg lli llk lll llr llu lra lrb lrc lrg lri lrk lrr lru lua lub luc lue lug lui luk lul lur luu ra- raa rab rac rae rag rai rak ral rar rau rba rbb rbc rbe rbg rbi rbk rbl rbr rbu rca rcb rcc rce rcg rci rcl rcr rcu re- rea reb rec ree reg rei rek rel rer reu rga rgb rgc rge rgg rgi rgk rgr ria rib ric rie rig rii rik ril rir rkb rkc rke rkg rkk rku rla rlc rle rlg rli rll rlr rlu rra rrb rrc rrg rri rrk rrl rrr rru rua rub ruc rue rug rui ruk rur ruu ua- uaa uab uac uae uag uai uak ual uar uau uba ubb ubc ube ubg ubi ubk ubl ubr ubu uca ucb ucc uce ucg uci uck ucl ucr ucu uea ueb uec uee ueg uei uel uer uga ugb ugc uge ugg ugi ugk ugl ugr ugu uia uib uic uie uig uii uil uir uiu uka ukb ukc uke uki ukk ukl ukr uku ula ulb ulc ule ulg uli ulk ull ulr ulu ur- ura urb urc ure urg uri urk url urr uru uua uuc uue uug uur uuu

a-ak a-be a-ii aaaa aaab aaac aaae aaai aaal aaar aaba aabb aabc aabi aabl aaca aacb aacc aace aaci aack aacl aacr aacu aaea aaec aage aaib aaic aaii aaka aake aaku aala aalc aale aali aall aalu aara aarc