-er -th a-a a-b a-c a-t aaa aab aac aae aah aar aat aau ab- aba abb abc abe abh abr abt abu ac- aca acb acc ace ach acr act acu aea aeb aec aee aeh aer aet aeu aha ahb ahc ahe ahh ahr aht ahu ar- ara arb arc are arh arr art aru at- ata atb atc ate ath atr att atu au- aua aub auc aue auh aur aut b-u baa bab bac bae bah bar bat bau bba bbb bbc bbe bbh bbr bbt bbu bca bcb bcc bce bch bcr bct bcu be- bea beb bec bee beh ber bet beu bha bhb bhc bhe bhh bhr bht bhu bra brb bre brh brr brt bru bta btb btc bte bth btr btt btu bua bub buc bue buh bur but buu c-- caa cab cac cae cah car cat cau cba cbb cbc cbe cbh cbr cbt cbu cca ccb ccc cce cch ccr cct ccu ce- cea ceb cec cee ceh cer cet ceu ch- cha chb chc che chh chr cht chu cra crb crc cre crh crr crt cru cta ctb ctc cte cth ctr ctt ctu cua cub cuc cue cuh cur cut cuu eaa eab eac eae eah ear eat eau eba ebb ebc ebe ebh ebr ebt ebu ec- eca ecb ecc ece ech ecr ect ecu eea eeb eec eee eer eet eha ehb ehc ehe ehh ehr eht ehu era erb erc ere erh err ert eru eta etb etc ete eth etr ett etu eu- eua eub euc eue eur eut haa hab hac hae hah har hat hau hba hbb hbc hbe hbh hbr hbt hbu hca hcb hcc hce hch hcr hct he- hea heb hec hee heh her het heu hha hhb hhc hhe hhh hhr hht hhu hr- hra hrb hrc hre hrh hrr hrt hru hta htb htc hte hth htr htt hua hub huc hue huh hur hut huu ra- raa rab rac rae rah rar rat rau rba rbb rbc rbe rbh rbr rbt rbu rca rcb rcc rce rch rcr rct rcu re- rea reb rec ree reh rer ret reu rh- rha rhb rhc rhe rhh rhr rht rhu rra rrb rrc rrh rrr rrt rru rta rtb rtc rte rtr rtt rtu rua rub ruc rue ruh rur rut ruu taa tab tac tae tah tar tat tau tba tbb tbc tbe tbh tbr tbt tbu tca tcb tcc tce tch tcr tct tcu te- tea teb tec tee teh ter tet teu th- tha thb thc the thh thr tht thu tra trb trc tre trh trr trt tru tta ttb ttc tte tth ttr ttt ttu tua tub tuc tue tuh tur tut tuu ua- uaa uab uac uae uah uar uat uau uba ubb ubc ube ubh ubr ubt ubu uca ucb ucc uce uch ucr uct ucu uea ueb uec uee ueh uer uet uha uhb uhc uhe uhh uhr uht uhu ur- ura urb urc ure urr urt uru uta utb utc ute uth utr utt utu uua uuc uue uur uut uuu

a-be a-ha aaaa aaab aaac aaae aaah aaar aaba aabb aabc aabh aabt aaca aacb aacc aace aach aacr aact aacu aaea aaec aaha aara aarc aare aart aaru aata aatc aatt abaa abab abac abae abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abch abcr abct abec abee aber abet abha abhr abra abrc abta abtu abua abue abut ac-t acaa acab acac acae acar acat acba acca accc acce acch acct accu ace- acea acec aceh acer acet acha ache achh achr acht achu acr- acra acrc acre acrr acta actc acte acth actt actu acu- acue acur acut aeac aecb aect aeer aer- aera aerc aeta aetc aetr aett ahab ahac ahah ahar ahat ahau ahet ahha ahra ahrc ahre ahrr ahta ahte ahua arab arac arae arah arar arat arau arba arbe arbh arc- arca arce arch arct area arec aree areh aret areu arh- arr- arra arrc arre arrh arrr arrt arru arta artc arte arth artr arua arub arue arut at-t ataa atab atac atae atar atat atca atcc atch atcr atea atec atee ater atha athe atra atrc atre atru atta atte attr attu atua atub atuc atur auaa aube auca auce auch auct auer auht aur- aura aure aut- aute auth baaa baah baar baat baba babb babe babr babu bac- baca bacc bace bach bact baer baha bahr baht bahu bar- bara barb barc bare barh barr bart baru bata batc bate bath batt batu bau- baur bbau bbbb bbch bbeb bbet bbrc bcaa bcar bcat bcbc bcca bccc bcec bcer bcet bche bcra bcru bctc bcuc beah bear beat beau beba bebb bebe beca bech becu beeb beer beet behr bera berc bere berr bert beru beta betc bete beth bett betu beur bhar bhat bhca bhcc bher bhet bhra bhrt bhur bhut bhuu brab brac brae brah brat brau brca brcb brce brea breb brec bree brer bret brrr brtc bruc brue bruh brut btaa btcc btec btrc btrt bttb buar buat buba bubb bube bubu buca bucc buce buch bucu buea buer bueu buha buhe buhr bur- bura burb bure burh burr burt buru but- buta bute butt caaa caab caac caah caat caba cabe cabu cac- caca cacc cace cach cacr caec caer caeu caha cahe caht cara carb carc care carr cart cat- cata catb catc cate cath catt catu cauc caut cbac cbar cbat cbbc cbca cbcc cbce cbcr cbct cbcu cbea cbec cbee cber cbet cbha cbre cbrh cbrt cbta cbtc ccaa ccab ccac ccar ccat ccba ccbc ccca cccb cccc cccu ccee ccha cche cchr ccra ccrc ccre ccrt cctb cctc cctt ccuc ccut ceac cear ceat ceba cebu cec- ceca cece cect ceeb ceec cer- cera cerc cere cert cet- ceta cete chaa chab chac chae chah char chat chau chca chce chch