-al -er a-a a-b a-c aaa aab aac aad aae aag aak aal aar aau ab- aba abb abc abd abe abg abk abl abr abu ac- aca acb acc acd ace acg ack acl acr acu ad- ada adb adc add ade adg adk adl adr adu aea aeb aec aed aee aeg aek ael aer aeu ag- aga agb agc agd age agg agk agl agr agu aka akb akc akd ake akg akk akl akr aku al- ala alb alc ald ale alg alk all alr alu ar- ara arb arc ard are arg ark arl arr aru au- aua aub auc aud aue aug auk aul aur b-u baa bab bac bad bae bag bak bal bar bau bba bbb bbc bbd bbe bbg bbk bbl bbr bbu bca bcb bcc bcd bce bcg bck bcl bcr bcu bda bdb bdc bdd bde bdg bdk bdl bdr bdu be- bea beb bec bed bee beg bek bel ber beu bga bgb bgc bgd bge bgg bgk bgl bgr bgu bka bkb bkc bke bkg bkk bkl bkr bla blb blc bld ble blg blk bll blr blu bra brb brd bre brg brk brl brr bru bua bub buc bud bue bug buk bul bur buu c-- caa cab cac cad cae cag cak cal car cau cba cbb cbc cbd cbe cbg cbk cbl cbr cbu cca ccb ccc ccd cce ccg cck ccl ccr ccu cda cdb cdc cdd cde cdg cdk cdl cdr cdu ce- cea ceb cec ced cee ceg cek cel cer ceu cga cgb cgc cgd cge cgg cgl cgr cgu cka ckb ckc ckd cl- cla clb clc cld cle clg clk cll clr clu cra crb crc crd cre crg crk crl crr cru cua cub cuc cud cue cug cuk cul cur cuu daa dab dac dad dae dag dak dal dar dau dba dbb dbc dbd dbe dbg dbk dbl dbr dbu dca dcb dcc dcd dce dcg dck dcl dcr dcu dda ddb ddc ddd dde ddg ddk ddl ddr ddu de- dea deb dec ded dee deg dek del der deu dga dgc dgd dge dgg dgk dgl dgr dgu dka dkb dkc dke dkg dkk dkl dkr dku dl- dla dlb dlc dld dle dlg dlk dll dlr dlu dra drb drc drd dre drg drk drl drr dru dua dub duc dud due dug duk dul dur eaa eab eac ead eae eag eak eal ear eau eba ebb ebc ebd ebe ebg ebk ebl ebr ebu ec- eca ecb ecc ecd ece ecg eck ecl ecr ecu ed- eda edb edc edd ede edg edk edl edr edu eea eeb eec eed eee eeg eek eel eer ega egb egc egd ege egg egl egr egu eka ekb ekc ekd eke ekg ekl ekr eku ela elb elc eld ele elg elk ell elr elu era erb erc erd ere erg erk erl err eru eu- eua eub euc eud eue eug eul eur g-d gaa gab gac gad gae gag gak gal gar gau gba gbc gbd gbe gbg gbk gbl gbr gbu gca gcb gcc gcd gce gcg gck gcl gcr gcu gda gdb gdc gdd gde gdk gdl gdr gdu ge- gea geb gec ged gee geg gek gel ger geu gga ggb ggc ggd ggg ggr ggu gka gkb gkd gla glb glc gld gle glg glk gll glr glu gra grb grc grd gre grg grk grl grr gru gu- gua gub guc gud gue gug guk gul gur guu ka- kaa kab kac kad kae kag kak kal kar kau kba kbb kbc kbd kbe kbk kbl kbr kbu kca kcb kcc kcd kce kcg kck kcl kcr kcu kda kdb kdc kde kdg kdk kdl kdr kdu ke- kea keb kec ked kee keg kek kel ker kga kgb kgc kgd kgl kgu kkb kkc kke kkk kkl kkr kku kl- kla klb klc kld klg klr klu kra krc krd krg krk krl krr kru kub kuc kud kue kug kuk kul kur kuu la- laa lab lac lad lae lag lak lal lar lau lba lbb lbc lbd lbe lbg lbk lbl lbr lbu lca lcb lcc lcd lce lcg lck lcl lcr lcu lda ldb ldc ldd lde ldg ldk ldl ldr ldu lea leb lec led lee leg lek lel ler leu lga lgb lgc lgd lge lgg lgk lgl lgr lgu lka lkb lkg lkl lkr lla llb llc lld lle llg llk lll llr llu lra lrb lrc lrd lrg lrk lrr lru lua lub luc lud lue lug luk lul lur luu ra- raa rab rac rad rae rag rak ral rar rau rba rbb rbc rbd rbe rbg rbk rbl rbr rbu rca rcb rcc rcd rce rcg rcl rcr rcu rda rdb rdc rdd rde rdg rdl rdr rdu re- rea reb rec red ree reg rek rel rer reu rga rgb rgc rgd rge rgg rgk rgr rkb rkc rke rkg rkk rku rla rlc rld rle rlg rll rlr rlu rra rrb rrc rrd rrg rrk rrl rrr rru rua rub ruc rud rue rug ruk rur ruu ua- uaa uab uac uad uae uag uak ual uar uau uba ubb ubc ube ubg ubk ubl ubr ubu uca ucb ucc ucd uce ucg uck ucl ucr ucu uda udb udc udd ude udg udk udl udr udu uea ueb uec ued uee ueg uel uer uga ugb ugc uge ugg ugk ugl ugr ugu uka ukb ukc uke ukk ukl ukr uku ula ulb ulc uld ule ulg ulk ull ulr ulu ur- ura urb urc urd ure urg urk url urr uru uua uuc uue uug uur uuu