-al -er a-a a-b a-c a-t aaa aab aac aae aaf aag aak aal aar aas aat aau ab- aba abb abc abe abf abg abk abl abr abs abt abu ac- aca acb acc ace acf acg ack acl acr acs act acu aea aeb aec aee aef aeg aek ael aer aes aet aeu af- afa afb afc afe aff afg afk afl afr afs aft afu ag- aga agb agc age agf agg agk agl agr ags agt agu aka akb akc ake akg akk akl akr aks aku al- ala alb alc ale alf alg alk all alr als alt alu ar- ara arb arc are arf arg ark arl arr ars art aru as- asa asb asc ase asf asg ask asl asr ass ast asu at- ata atb atc ate atf atg atl atr ats att atu au- aua aub auc aue auf aug auk aul aur aus aut b-u baa bab bac bae baf bag bak bal bar bas bat bau bba bbb bbc bbe bbf bbg bbk bbl bbr bbs bbt bbu bca bcb bcc bce bcf bcg bck bcl bcr bcs bct bcu be- bea beb bec bee bef beg bek bel ber bes bet beu bfa bfb bfc bfe bff bfg bfl bfr bfs bft bfu bga bgb bgc bge bgf bgg bgk bgl bgr bgs bgt bgu bka bkb bkc bke bkf bkg bkk bkl bkr bks bkt bla blb blc ble blf blg blk bll blr bls blt blu bra brb bre brf brg brk brl brr brs brt bru bsa bsb bsc bse bsf bsg bsk bsl bsr bss bst bsu bta btb btc bte btf btg btk btl btr bts btt btu bua bub buc bue buf bug buk bul bur bus but buu c-- caa cab cac cae caf cag cak cal car cas cat cau cba cbb cbc cbe cbf cbg cbk cbl cbr cbs cbt cbu cca ccb ccc cce ccf ccg cck ccl ccr ccs cct ccu ce- cea ceb cec cee cef ceg cek cel cer ces cet ceu cfa cfb cfc cfe cff cfg cfk cfl cfr cfs cft cfu cga cgb cgc cge cgg cgl cgr cgs cgt cgu cka ckb ckc cks ckt cl- cla clb clc cle clf clg clk cll clr cls clt clu cra crb crc cre crf crg crk crl crr crs crt cru csa csb csc cse csf csg csk csl csr css cst csu cta ctb ctc cte ctf ctg ctk ctl ctr cts ctt ctu cua cub cuc cue cuf cug cuk cul cur cus cut cuu eaa eab eac eae eaf eag eak eal ear eas eat eau eba ebb ebc ebe ebf ebg ebk ebl ebr ebs ebt ebu ec- eca ecb ecc ece ecf ecg eck ecl ecr ecs ect ecu eea eeb eec eee eef eeg eek eel eer ees eet ef- efa efb efc efe eff efg efl efr efs eft ega egb egc ege egf egg egl egr egs egt egu eka ekb ekc eke ekf ekg ekl ekr eks ekt eku ela elb elc ele elf elg elk ell elr els elt elu era erb erc ere erf erg erk erl err ers ert eru es- esa esb esc ese esf esg esk esl esr ess est esu eta etb etc ete etf etg etk etl etr ets ett etu eu- eua eub euc eue euf eug eul eur eus eut faa fab fac fae faf fag fak fal far fas fat fau fba fbb fbc fbe fbf fbg fbk fbl fbr fbs fbt fbu fca fcb fcc fce fcf fcg fck fcl fcr fcs fct fcu fea feb fec fee fef feg fek fel fer fes fet feu ffa ffc ffe fff ffg ffk ffl ffr ffs fft ffu fga fgb fgc fge fgf fgg fgl fgr fgs fgt fka fkb fkc fkf fkg fkk fkl fkt fla flb flc fle flf flg fll flr fls flt flu fra frb frc fre frf frg frk frl frr frs frt fru fsa fsb fsc fse fsf fsg fsk fsl fsr fss fst fsu fta ftb ftc fte ftf ftg ftk ftl ftr fts ftt ftu fua fub fue fuf fug fuk ful fur fus fut fuu gaa gab gac gae gaf gag gak gal gar gas gat gau gba gbc gbe gbf gbg gbk gbl gbr gbs gbt gbu gca gcb gcc gce gcf gcg gck gcl gcr gcs gct gcu ge- gea geb gec gee gef geg gek gel ger ges get geu gfa gfb gfc gfe gff gfk gfl gfr gfs gft gga ggb ggc ggg ggr ggs ggt ggu gka gkb gks gkt gla glb glc gle glf glg glk gll glr gls glt glu gra grb grc gre grf grg grk grl grr grs grt gru gsa gsb gsc gse gsf gsg gsk gsl gsr gss gst gsu gta gtb gtc gte gtf gtg gtk gtl gtr gts gtt gtu gu- gua gub guc gue guf gug guk gul gur gus gut guu k-t ka- kaa kab kac kae kaf kag kak kal kar kas kat kau kba kbb kbc kbe kbf kbk kbl kbr kbs kbu kca kcb kcc kce kcg kck kcl kcr kcs kct kcu ke- kea keb kec kee kef keg kek kel ker kes ket kfa kfc kff kfg kfs kfu kga kgb kgc kgf kgl kgs kgu kkb kkc kke kkk kkl kkr kks kkt kku kl- kla klb klc klf klg klr kls klt klu kra krc krf krg krk krl krr krs krt kru ksa ksb ksc kse ksf ksg ksk ksl ksr kss kst ksu kta ktb ktc kte ktf ktg ktk ktl ktr kts ktt ktu kub kuc kue kug kuk kul kur kus kut kuu la- laa lab lac lae laf lag lak lal lar las lat lau lba lbb lbc lbe lbf lbg lbk lbl lbr lbs lbt lbu lca lcb lcc lce lcf lcg lck lcl lcr