-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aar aau ab- aba abb abc abd abe abi abr abu ac- aca acb acc acd ace aci acr acu ad- ada adb adc add ade adi adr adu aea aeb aec aed aee aei aer aeu ai- aia aib aic aid aie aii air aiu ar- ara arb arc ard are ari arr aru au- aua aub auc aud aue aui aur b-u baa bab bac bad bae bai bar bau bba bbb bbc bbd bbe bbi bbr bbu bca bcb bcc bcd bce bci bcr bcu bda bdb bdc bdd bde bdi bdr bdu be- bea beb bec bed bee bei ber beu bi- bia bib bic bid bie bii bir biu bra brb brd bre bri brr bru bua bub buc bud bue bui bur buu c-- caa cab cac cad cae cai car cau cba cbb cbc cbd cbe cbi cbr cbu cca ccb ccc ccd cce cci ccr ccu cda cdb cdc cdd cde cdi cdr cdu ce- cea ceb cec ced cee cei cer ceu ci- cia cib cic cid cie cii cir ciu cra crb crc crd cre cri crr cru cua cub cuc cud cue cui cur cuu daa dab dac dad dae dai dar dau dba dbb dbc dbd dbe dbi dbr dbu dca dcb dcc dcd dce dci dcr dcu dda ddb ddc ddd dde ddi ddr ddu de- dea deb dec ded dee dei der deu di- dia dib dic did die dii dir diu dra drb drc drd dre dri drr dru dua dub duc dud due dui dur eaa eab eac ead eae eai ear eau eba ebb ebc ebd ebe ebi ebr ebu ec- eca ecb ecc ecd ece eci ecr ecu ed- eda edb edc edd ede edi edr edu eea eeb eec eed eee eer eia eib eic eid eie eii eir eiu era erb erc erd ere eri err eru eu- eua eub euc eud eue eui eur i-d ia- iaa iab iac iad iae iai iar iau iba ibb ibc ibd ibe ibi ibr ibu ica icb icc icd ice ici icr icu ida idb idc idd ide idi idr idu ie- iea iec ied iee iei ier iia iib iic iid iie iii iir iiu ir- ira irb irc ird ire iri irr iru iu- iua iub iuc iud iue iui iur ra- raa rab rac rad rae rai rar rau rba rbb rbc rbd rbe rbi rbr rbu rca rcb rcc rcd rce rci rcr rcu rda rdb rdc rdd rde rdi rdr rdu re- rea reb rec red ree rei rer reu ria rib ric rid rie rii rir rra rrb rrc rrd rri rrr rru rua rub ruc rud rue rui rur ruu ua- uaa uab uac uad uae uai uar uau uba ubb ubc ube ubi ubr ubu uca ucb ucc ucd uce uci ucr ucu uda udb udc udd ude udi udr udu uea ueb uec ued uee uei uer uia uib uic uid uie uii uir uiu ur- ura urb urc urd ure uri urr uru uua uuc uue uur uuu

a-be a-ii aaaa aaab aaac aaad aaae aaai aaar aaba aabb aabc aabd aabi aaca aacb aacc aacd aace aaci aacr aacu aada aadc aade aadi aadu aaea aaec aaib aaic aaii aara aarc aard aare aari aaru abaa abab abac abad abae abai abar abau abb- abba abbb abbe abbi abbr abca abcb abcc abcd abci abcr abda abdi abdu abec abed abee aber abia abib abic abid abie abir abiu abra abrc abri abua abud abue acaa acab acac acad acae acai acar acba acca accc accd acce acci accu acda acdb acdc acde acdi ace- acea acec aced acer aci- acia acic acid acie acir acr- acra acrc acre acri acrr acu- acue acur adaa adab adac adad adae adai adar adba adbc adbi adcc adci adda addc addd adde addi addr addu adea adeb adee ader adia adib adic adie adir adra adre adua adub adue adur aeac aebi aecb aeci aede aeer aer- aera aerc aerd aeri aiai aiba aica aicc aicd aice aicr aida aidb aidc aide aidi aidr aidu aiea aiee aiia aiib aiic aiid aiir aira aird aire airi aiud aiui arab arac arad arae arai arar arau arba arbe arbi arc- arca arce arci arda ardc arde ardi ardu area arec ared aree arei areu aria arib arid arie arii arr- arra arrc arre arri arrr arru arua arub arud arue arui auaa aube auca auce auci audc aude audi auer aur- aura aurd aure auri ba-i baaa baad baar baba babb babe babi babr babu bac- baca bacc bace baci bada badb badd bade badi badr badu baed baer baia baib baic baid baie bair bar- bara barb barc bard bare bari barr baru bau- baud baur bbad bbau bbbb bbci bbdd bbeb bbrc bcaa bcar bcbc bcca bccc bcci bcda bcde bcec bcer bcia bcie bcra bcru bcuc bd-r bdbc bddc bdii bead bear beau beba bebb bebe bebi beca beci becu beda bede bedi bedu beeb beed beer beia beic beir bera berc berd bere beri berr beru beur biad biar biba bibb bibe bibi bica bicc bice bici bida bide bidi bidr bidu bieb bied bier bieu bira birb bird bire biri birr biru brab brac brad brae brai brau brca brcb brce brda brea breb brec bred bree brei brer bria bric brid brie brrr bruc brud brue buad buar buba bubb bube bubi bubu buca bucc buce buci bucu buda budb budd bude budi budu buea buer bueu buic buid buie buir buiu bur- bura burb burd bure buri burr buru c-cd caaa caab caac caba cabe cabi cabu cac- caca cacc cace caci cacr cada cadc cadd cade cadi cadr cadu caec caei caer caeu caia caib caic caid cair caiu cara carb carc card care cari carr cauc cbac cbar cbbc cbca cbcc cbce cbcr