-er -ic a-a a-b a-c a-i aaa aab aac aad aae aah aai aar ab- aba abb abc abd abe abh abi abr ac- aca acb acc acd ace ach aci acr ad- ada adb adc add ade adh adi adr aea aeb aec aed aee aeh aei aer aha ahb ahc ahd ahe ahh ahi ahr ai- aia aib aic aid aie aih aii air ar- ara arb arc ard are arh ari arr baa bab bac bad bae bah bai bar bba bbb bbc bbd bbe bbh bbi bbr bca bcb bcc bcd bce bch bci bcr bda bdb bdc bdd bde bdh bdi bdr be- bea beb bec bed bee beh bei ber bha bhb bhc bhd bhe bhh bhi bhr bi- bia bib bic bid bie bih bii bir bra brb brd bre brh bri brr c-- caa cab cac cad cae cah cai car cba cbb cbc cbd cbe cbh cbi cbr cca ccb ccc ccd cce cch cci ccr cda cdb cdc cdd cde cdh cdi cdr ce- cea ceb cec ced cee ceh cei cer ch- cha chb chc chd che chh chi chr ci- cia cib cic cid cie cih cii cir cra crb crc crd cre crh cri crr daa dab dac dad dae dah dai dar dba dbb dbc dbd dbe dbh dbi dbr dca dcb dcc dcd dce dci dcr dda ddb ddc ddd dde ddh ddi ddr de- dea deb dec ded dee deh dei der dh- dha dhb dhc dhd dhe dhh dhi dhr di- dia dib dic did die dih dii dir dra drb drc drd dre dri drr eaa eab eac ead eae eah eai ear eba ebb ebc ebd ebe ebh ebi ebr ec- eca ecb ecc ecd ece ech eci ecr ed- eda edb edc edd ede edh edi edr eea eeb eec eed eee eer eha ehb ehc ehd ehe ehh ehi ehr eia eib eic eid eie eii eir era erb erc erd ere erh eri err h-i haa hab hac had hae hah hai har hba hbb hbc hbd hbe hbh hbi hbr hca hcb hcc hcd hce hch hci hcr hda hdb hdc hdd hde hdh hdi hdr he- hea heb hec hed hee heh hei her hha hhb hhc hhd hhe hhh hhi hhr hia hib hic hid hie hih hii hir hr- hra hrb hrc hrd hre hrh hri hrr i-d ia- iaa iab iac iad iae iah iai iar iba ibb ibc ibd ibe ibh ibi ibr ica icb icc icd ice ich ici icr ida idb idc idd ide idh idi idr ie- iea iec ied iee iei ier iha ihb ihc ihd ihe ihh ihi ihr iia iib iic iid iie iih iii iir ir- ira irb irc ird ire iri irr ra- raa rab rac rad rae rah rai rar rba rbb rbc rbd rbe rbh rbi rbr rca rcb rcc rcd rce rch rci rcr rda rdb rdc rdd rde rdh rdi rdr re- rea reb rec red ree reh rei rer rh- rha rhb rhc rhd rhe rhh rhi rhr ria rib ric rid rie rih rii rir rra rrb rrc rrd rrh rri rrr

a-be a-ha a-ii aaaa aaab aaac aaad aaae aaah aaai aaar aaba aabb aabc aabd aabh aabi aaca aacb aacc aacd aace aach aaci aacr aada aadc aade aadi aaea aaec aaha aaib aaic aaii aara aarc aard aare aari abaa abab abac abad abae abai abar abb- abba abbb abbe abbi abbr abca abcb abcc abcd abch abci abcr abda abdi abec abed abee aber abha abhi abhr abia abib abic abid abie abir abra abrc abri acaa acab acac acad acae acai acar acba acca accc accd acce acch acci acda acdb acdc acde acdi ace- acea acec aced aceh acer acha ache achh achi achr aci- acia acic acid acie acir acr- acra acrc acre acri acrr adaa adab adac adad adae adah adai adar adba adbc adbi adcc adci adda addc addd adde addi addr adea adeb adee adeh ader adha adhd adhi adia adib adic adie adir adra adre aeac aebi aecb aeci aede aeer aer- aera aerc aerd aeri ahab ahac ahad ahah ahai ahar ahdi ahed ahha ahir ahra ahrc ahre ahrr aiai aiba aica aicc aicd aice aich aicr aida aidb aidc aide aidi aidr aiea aiee aiha aiia aiib aiic aiid aiir aira aird aire airh airi arab arac arad arae arah arai arar arba arbe arbh arbi arc- arca arce arch arci arda ardc arde ardi area arec ared aree areh arei arh- aria arib arid arie arii arr- arra arrc arre arrh arri arrr ba-i baaa baad baah baar baba babb babe babi babr bac- baca bacc bace bach baci bada badb badd bade badh badi badr baed baer baha bahi bahr baia baib baic baid baie bair bar- bara barb barc bard bare barh bari barr bbad bbbb bbch bbci bbdd bbeb bbrc bcaa bcar bcbc bcca bccc bcci bcda bcde bcec bcer bchd bche bcia bcie bcra bd-r bdbc bddc bddh bdii bead beah bear beba bebb bebe bebi beca bech beci beda bede bedi beeb beed beer behr beia beic beir bera berc berd bere beri berr bhai bhar bhca bhcc bher bhie bhir bhra biad biar biba bibb bibe bibi bica bicc bice bich bici bida bide bidi bidr bieb bied bier biha bihe bihi bira birb bird bire biri birr brab brac brad brae brah brai brca brcb brce brda brea breb brec bred bree brei brer bria bric brid brie brih brrr c-cd caaa caab caac caah caba cabe cabi cac- caca cacc cace cach caci cacr cada cadc cadd cade cadi cadr caec caei caer caha cahe caia caib caic caid cair cara carb carc card care cari carr cbac cbar cbbc cbca cbcc cbce cbcr cbdb cbdc cbdi cbea cbec cbee cber cbha cbia cbid cbir cbrd cbre cbrh ccaa ccab ccac ccad ccai ccar ccba ccbc