-al -er a-a a-b a-c a-t aaa aab aac aae aal aar aat aau ab- aba abb abc abe abl abr abt abu ac- aca acb acc ace acl acr act acu aea aeb aec aee ael aer aet aeu al- ala alb alc ale all alr alt alu ar- ara arb arc are arl arr art aru at- ata atb atc ate atl atr att atu au- aua aub auc aue aul aur aut b-u baa bab bac bae bal bar bat bau bba bbb bbc bbe bbl bbr bbt bbu bca bcb bcc bce bcl bcr bct bcu be- bea beb bec bee bel ber bet beu bla blb blc ble bll blr blt blu bra brb bre brl brr brt bru bta btb btc bte btl btr btt btu bua bub buc bue bul bur but buu c-- caa cab cac cae cal car cat cau cba cbb cbc cbe cbl cbr cbt cbu cca ccb ccc cce ccl ccr cct ccu ce- cea ceb cec cee cel cer cet ceu cl- cla clb clc cle cll clr clt clu cra crb crc cre crl crr crt cru cta ctb ctc cte ctl ctr ctt ctu cua cub cuc cue cul cur cut cuu eaa eab eac eae eal ear eat eau eba ebb ebc ebe ebl ebr ebt ebu ec- eca ecb ecc ece ecl ecr ect ecu eea eeb eec eee eel eer eet ela elb elc ele ell elr elt elu era erb erc ere erl err ert eru eta etb etc ete etl etr ett etu eu- eua eub euc eue eul eur eut la- laa lab lac lae lal lar lat lau lba lbb lbc lbe lbl lbr lbt lbu lca lcb lcc lce lcl lcr lct lcu lea leb lec lee lel ler let leu lla llb llc lle lll llr llt llu lra lrb lrc lrr lrt lru lta ltb ltc lte ltl ltr ltt ltu lua lub luc lue lul lur lut luu ra- raa rab rac rae ral rar rat rau rba rbb rbc rbe rbl rbr rbt rbu rca rcb rcc rce rcl rcr rct rcu re- rea reb rec ree rel rer ret reu rla rlc rle rll rlr rlt rlu rra rrb rrc rrl rrr rrt rru rta rtb rtc rte rtl rtr rtt rtu rua rub ruc rue rur rut ruu taa tab tac tae tal tar tat tau tba tbb tbc tbe tbl tbr tbt tbu tca tcb tcc tce tcl tcr tct tcu te- tea teb tec tee tel ter tet teu tla tlc tle tll tlr tlt tlu tra trb trc tre trl trr trt tru tta ttb ttc tte ttl ttr ttt ttu tua tub tuc tue tul tur tut tuu ua- uaa uab uac uae ual uar uat uau uba ubb ubc ube ubl ubr ubt ubu uca ucb ucc uce ucl ucr uct ucu uea ueb uec uee uel uer uet ula ulb ulc ule ull ulr ult ulu ur- ura urb urc ure url urr urt uru uta utb utc ute utl utr utt utu uua uuc uue uur uut uuu

a-be aaaa aaab aaac aaae aaal aaar aaba aabb aabc aabl aabt aaca aacb aacc aace aacl aacr aact aacu aaea aaec aala aalc aale aall aalu aara aarc aare aart aaru aata aatc aatt abaa abab abac abae abal abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abcl abcr abct abec abee abel aber abet abla able abra abrc abta abtu abua abue abul abut ac-t acaa acab acac acae acar acat acba acbl acca accc acce acct accu ace- acea acec acel acer acet acla aclc acle aclr aclu acr- acra acrc acre acrr acta actc acte actl actt actu acu- acue acul acur acut aeac aecb aecl aect aeer aela aelc aer- aera aerc aeta aetc aetr aett alaa alac alae alal alar alat alau alb- alba albc albe albu alca alcc alce alea alec alee aler alet aleu all- alla alle alll allr allu alta alte alua alur alut arab arac arae aral arar arat arau arba arbe arc- arca arce arct area arec aree arel aret areu arla arle arr- arra arrc arre arrr arrt arru arta artc arte artr arua arub arue arul arut at-l at-t ataa atab atac atae atal atar atat atca atcc atcl atcr atea atec atee atel ater atla atle atra atrc atre atru atta atte attr attu atua atub atuc atul atur auaa aube auca auce auct auel auer aul- aula aule aull ault aulu aur- aura aure aut- aute baaa baal baar baat baba babb babe babr babu bac- baca bacc bace bact bael baer bala balc bale ball balt balu bar- bara barb barc bare barr bart baru bata batc bate batt batu bau- baul baur bbau bbbb bbeb bbet bblb bbrc bcaa bcar bcat bcbc bcca bccc bccl bcec bcer bcet bcra bcru bctc bcuc beal bear beat beau beba bebb bebe beca becu beeb beel beer beet bela bele bell belt belu bera berc bere berr bert beru beta betc bete bett betu beur blaa blab blac blae blat blau blbt blcu blea bleb blee blet bleu blrc blub blue blur blut brab brac brae brat brau brca brcb brce brea breb brec bree brel brer bret brrr brtc bruc brue brut btaa btcc btcl btec btla btrc btrt bttb bual buar buat buba bubb bube bubu buca bucc buce bucu buea buel buer bueu bula bulb bule bull bult bulu bur- bura burb bure burl burr burt buru but- buta bute butt caaa caab caac caal caat caba cabe cabu cac- caca cacc cace cacr caec caer caeu cala calc cale call calt calu cara carb carc care carl carr cart cat- cata catb catc cate catt catu cauc caul caut cbac cbal cbar cbat cbbc cbca cbcc cbce cbcl cbcr cbct cbcu cbea cbec cbee cber cbet cblb cblc cbre cbrl cbrt cbta cbtc cbtl