-er a-a a-b a-c a-t aaa aab aac aae aak aan aar aas aat aau ab- aba abb abc abe abk abn abr abs abt abu ac- aca acb acc ace ack acn acr acs act acu aea aeb aec aee aek aen aer aes aet aeu aka akb akc ake akk akn akr aks aku an- ana anb anc ane ank ann anr ans ant anu ar- ara arb arc are ark arn arr ars art aru as- asa asb asc ase ask asn asr ass ast asu at- ata atb atc ate atn atr ats att atu au- aua aub auc aue auk aun aur aus aut b-u baa bab bac bae bak ban bar bas bat bau bba bbb bbc bbe bbk bbn bbr bbs bbt bbu bca bcb bcc bce bck bcn bcr bcs bct bcu be- bea beb bec bee bek ben ber bes bet beu bka bkb bkc bke bkk bkn bkr bks bkt bna bnb bnc bne bnk bnn bnr bns bnt bnu bra brb bre brk brn brr brs brt bru bsa bsb bsc bse bsk bsn bsr bss bst bsu bta btb btc bte btk btn btr bts btt btu bua bub buc bue buk bun bur bus but buu c-- caa cab cac cae cak can car cas cat cau cba cbb cbc cbe cbk cbn cbr cbs cbt cbu cca ccb ccc cce cck ccn ccr ccs cct ccu ce- cea ceb cec cee cek cen cer ces cet ceu cka ckb ckc cks ckt cn- cna cnb cnc cne cnn cnr cns cnt cnu cra crb crc cre crk crn crr crs crt cru csa csb csc cse csk csn csr css cst csu cta ctb ctc cte ctk ctn ctr cts ctt ctu cua cub cuc cue cuk cun cur cus cut cuu eaa eab eac eae eak ean ear eas eat eau eba ebb ebc ebe ebk ebn ebr ebs ebt ebu ec- eca ecb ecc ece eck ecn ecr ecs ect ecu eea eeb eec eee eek een eer ees eet eka ekb ekc eke ekr eks ekt eku en- ena enb enc ene enk enn enr ens ent enu era erb erc ere erk ern err ers ert eru es- esa esb esc ese esk esn esr ess est esu eta etb etc ete etk etn etr ets ett etu eu- eua eub euc eue eun eur eus eut k-t ka- kaa kab kac kae kak kan kar kas kat kau kba kbb kbc kbe kbk kbn kbr kbs kbu kca kcb kcc kce kck kcn kcr kcs kct kcu ke- kea keb kec kee kek ken ker kes ket kkb kkc kke kkk kkn kkr kks kkt kku kn- kna knc kne knk knn knr knt knu kra krc krk krn krr krs krt kru ksa ksb ksc kse ksk ksn ksr kss kst ksu kta ktb ktc kte ktk ktn ktr kts ktt ktu kub kuc kue kuk kun kur kus kut kuu naa nab nac nae nak nan nar nas nat nau nba nbb nbc nbe nbk nbn nbr nbs nbt nbu nca ncb ncc nce nck ncn ncr ncs nct ncu ne- nea neb nec nee nek nen ner nes net neu nka nkc nke nkk nkn nkr nks nkt nku nna nnb nnc nne nnk nnn nns nnt nnu nra nrb nrc nre nrk nrn nrr nrs nrt nru nsa nsb nsc nse nsk nsn nsr nss nst nsu nta ntb ntc nte ntk ntn ntr nts ntt ntu nua nub nuc nue nuk nun nur nus nut nuu ra- raa rab rac rae rak ran rar ras rat rau rba rbb rbc rbe rbk rbn rbr rbs rbt rbu rca rcb rcc rce rcn rcr rcs rct rcu re- rea reb rec ree rek ren rer res ret reu rkb rkc rke rkk rks rkt rku rna rnb rnc rnn rnr rns rnt rnu rra rrb rrc rrk rrn rrr rrs rrt rru rsa rsb rsc rse rsk rsn rsr rss rst rsu rta rtb rtc rte rtk rtn rtr rts rtt rtu rua rub ruc rue ruk run rur rus rut ruu saa sab sac sae sak san sar sas sat sau sba sbb sbc sbe sbk sbn sbr sbs sbt sbu sca scb scc sce sck scn scr scs sct scu se- sea seb sec see sek sen ser ses set seu sk- ska skb skc ske skk skr sks skt sku sna snb snc sne snk snn snr sns snt snu sr- sra srb src sre srk srn srr srs srt ss- ssa ssb ssc sse ssk ssn ssr sss sst ssu sta stb stc ste stk stn str sts stt stu sua sub suc sue suk sun sur sus sut suu taa tab tac tae tak tan tar tas tat tau tba tbb tbc tbe tbk tbn tbr tbs tbt tbu tca tcb tcc tce tck tcn tcr tcs tct tcu te- tea teb tec tee tek ten ter tes tet teu tka tkb tkc tke tkk tkr tks tkt tna tnb tnc tne tnk tnn tnr tns tnt tra trb trc tre trk trn trr trs trt tru tsa tsb tsc tse tsk tsn tsr tss tst tsu tta ttb ttc tte ttk ttn ttr tts ttt ttu tua tub tuc tue tuk tun tur tus tut tuu ua- uaa uab uac uae uak uan uar uas uat uau uba ubb ubc ube ubk ubn ubr ubs ubt ubu uca ucb ucc uce uck ucn ucr ucs uct ucu uea ueb uec uee uen uer ues uet uka ukb ukc uke ukk ukn ukr uku un- una unb unc une unk unn unr uns unt unu ur- ura urb urc ure urk urn urr urs urt uru usa usb usc use usk usn usr uss ust usu uta utb utc ute utk utn utr uts utt utu uua uuc uue uun uur uus uut uuu

-ana -ane -ase -ene a-ak a-be a-un aaaa