-al -er a-a a-b aaa aab aad aae aag aak aal aar aau ab- aba abb abd abe abg abk abl abr abu ad- ada adb add ade adg adk adl adr adu aea aeb aed aee aeg aek ael aer aeu ag- aga agb agd age agg agk agl agr agu aka akb akd ake akg akk akl akr aku al- ala alb ald ale alg alk all alr alu ar- ara arb ard are arg ark arl arr aru au- aua aub aud aue aug auk aul aur b-u baa bab bad bae bag bak bal bar bau bba bbb bbd bbe bbg bbk bbl bbr bbu bda bdb bdd bde bdg bdk bdl bdr bdu be- bea beb bed bee beg bek bel ber beu bga bgb bgd bge bgg bgk bgl bgr bgu bka bkb bke bkg bkk bkl bkr bla blb bld ble blg blk bll blr blu bra brb brd bre brg brk brl brr bru bua bub bud bue bug buk bul bur buu daa dab dad dae dag dak dal dar dau dba dbb dbd dbe dbg dbk dbl dbr dbu dda ddb ddd dde ddg ddk ddl ddr ddu de- dea deb ded dee deg dek del der deu dga dgd dge dgg dgk dgl dgr dgu dka dkb dke dkg dkk dkl dkr dku dl- dla dlb dld dle dlg dlk dll dlr dlu dra drb drd dre drg drk drl drr dru dua dub dud due dug duk dul dur eaa eab ead eae eag eak eal ear eau eba ebb ebd ebe ebg ebk ebl ebr ebu ed- eda edb edd ede edg edk edl edr edu eea eeb eed eee eeg eek eel eer ega egb egd ege egg egl egr egu eka ekb ekd eke ekg ekl ekr eku ela elb eld ele elg elk ell elr elu era erb erd ere erg erk erl err eru eu- eua eub eud eue eug eul eur g-d gaa gab gad gae gag gak gal gar gau gba gbd gbe gbg gbk gbl gbr gbu gda gdb gdd gde gdk gdl gdr gdu ge- gea geb ged gee geg gek gel ger geu gga ggb ggd ggg ggr ggu gka gkb gkd gla glb gld gle glg glk gll glr glu gra grb grd gre grg grk grl grr gru gu- gua gub gud gue gug guk gul gur guu ka- kaa kab kad kae kag kak kal kar kau kba kbb kbd kbe kbk kbl kbr kbu kda kdb kde kdg kdk kdl kdr kdu ke- kea keb ked kee keg kek kel ker kga kgb kgd kgl kgu kkb kke kkk kkl kkr kku kl- kla klb kld klg klr klu kra krd krg krk krl krr kru kub kud kue kug kuk kul kur kuu la- laa lab lad lae lag lak lal lar lau lba lbb lbd lbe lbg lbk lbl lbr lbu lda ldb ldd lde ldg ldk ldl ldr ldu lea leb led lee leg lek lel ler leu lga lgb lgd lge lgg lgk lgl lgr lgu lka lkb lkg lkl lkr lla llb lld lle llg llk lll llr llu lra lrb lrd lrg lrk lrr lru lua lub lud lue lug luk lul lur luu ra- raa rab rad rae rag rak ral rar rau rba rbb rbd rbe rbg rbk rbl rbr rbu rda rdb rdd rde rdg rdl rdr rdu re- rea reb red ree reg rek rel rer reu rga rgb rgd rge rgg rgk rgr rkb rke rkg rkk rku rla rld rle rlg rll rlr rlu rra rrb rrd rrg rrk rrl rrr rru rua rub rud rue rug ruk rur ruu ua- uaa uab uad uae uag uak ual uar uau uba ubb ube ubg ubk ubl ubr ubu uda udb udd ude udg udk udl udr udu uea ueb ued uee ueg uel uer uga ugb uge ugg ugk ugl ugr ugu uka ukb uke ukk ukl ukr uku ula ulb uld ule ulg ulk ull ulr ulu ur- ura urb urd ure urg urk url urr uru uua uue uug uur uuu