-al a-a a-b a-c aaa aab aac aad aag aak aal aar aau ab- aba abb abc abd abg abk abl abr abu ac- aca acb acc acd acg ack acl acr acu ad- ada adb adc add adg adk adl adr adu ag- aga agb agc agd agg agk agl agr agu aka akb akc akd akg akk akl akr aku al- ala alb alc ald alg alk all alr alu ar- ara arb arc ard arg ark arl arr aru au- aua aub auc aud aug auk aul aur b-u baa bab bac bad bag bak bal bar bau bba bbb bbc bbd bbg bbk bbl bbr bbu bca bcb bcc bcd bcg bck bcl bcr bcu bda bdb bdc bdd bdg bdk bdl bdr bdu bga bgb bgc bgd bgg bgk bgl bgr bgu bka bkb bkc bkg bkk bkl bkr bla blb blc bld blg blk bll blr blu bra brb brd brg brk brl brr bru bua bub buc bud bug buk bul bur buu c-- caa cab cac cad cag cak cal car cau cba cbb cbc cbd cbg cbk cbl cbr cbu cca ccb ccc ccd ccg cck ccl ccr ccu cda cdb cdc cdd cdg cdk cdl cdr cdu cga cgb cgc cgd cgg cgl cgr cgu cka ckb ckc ckd cl- cla clb clc cld clg clk cll clr clu cra crb crc crd crg crk crl crr cru cua cub cuc cud cug cuk cul cur cuu daa dab dac dad dag dak dal dar dau dba dbb dbc dbd dbg dbk dbl dbr dbu dca dcb dcc dcd dcg dck dcl dcr dcu dda ddb ddc ddd ddg ddk ddl ddr ddu dga dgc dgd dgg dgk dgl dgr dgu dka dkb dkc dkg dkk dkl dkr dku dl- dla dlb dlc dld dlg dlk dll dlr dlu dra drb drc drd drg drk drl drr dru dua dub duc dud dug duk dul dur g-d gaa gab gac gad gag gak gal gar gau gba gbc gbd gbg gbk gbl gbr gbu gca gcb gcc gcd gcg gck gcl gcr gcu gda gdb gdc gdd gdk gdl gdr gdu gga ggb ggc ggd ggg ggr ggu gka gkb gkd gla glb glc gld glg glk gll glr glu gra grb grc grd grg grk grl grr gru gu- gua gub guc gud gug guk gul gur guu ka- kaa kab kac kad kag kak kal kar kau kba kbb kbc kbd kbk kbl kbr kbu kca kcb kcc kcd kcg kck kcl kcr kcu kda kdb kdc kdg kdk kdl kdr kdu kga kgb kgc kgd kgl kgu kkb kkc kkk kkl kkr kku kl- kla klb klc kld klg klr klu kra krc krd krg krk krl krr kru kub kuc kud kug kuk kul kur kuu la- laa lab lac lad lag lak lal lar lau lba lbb lbc lbd lbg lbk lbl lbr lbu lca lcb lcc lcd lcg lck lcl lcr lcu lda ldb ldc ldd ldg ldk ldl ldr ldu lga lgb lgc lgd lgg lgk lgl lgr lgu lka lkb lkg lkl lkr lla llb llc lld llg llk lll llr llu lra lrb lrc lrd lrg lrk lrr lru lua lub luc lud lug luk lul lur luu ra- raa rab rac rad rag rak ral rar rau rba rbb rbc rbd rbg rbk rbl rbr rbu rca rcb rcc rcd rcg rcl rcr rcu rda rdb rdc rdd rdg rdl rdr rdu rga rgb rgc rgd rgg rgk rgr rkb rkc rkg rkk rku rla rlc rld rlg rll rlr rlu rra rrb rrc rrd rrg rrk rrl rrr rru rua rub ruc rud rug ruk rur ruu ua- uaa uab uac uad uag uak ual uar uau uba ubb ubc ubg ubk ubl ubr ubu uca ucb ucc ucd ucg uck ucl ucr ucu uda udb udc udd udg udk udl udr udu uga ugb ugc ugg ugk ugl ugr ugu uka ukb ukc ukk ukl ukr uku ula ulb ulc uld ulg ulk ull ulr ulu ur- ura urb urc urd urg urk url urr uru uua uuc uug uur uuu