-er -ic a-a a-b a-c a-i aaa aab aac aad aae aag aah aai aak aar ab- aba abb abc abd abe abg abh abi abk abr ac- aca acb acc acd ace acg ach aci ack acr ad- ada adb adc add ade adg adh adi adk adr aea aeb aec aed aee aeg aeh aei aek aer ag- aga agb agc agd age agg agh agi agk agr aha ahb ahc ahd ahe ahg ahh ahi ahk ahr ai- aia aib aic aid aie aig aih aii aik air aka akb akc akd ake akg akh aki akk akr ar- ara arb arc ard are arg arh ari ark arr baa bab bac bad bae bag bah bai bak bar bba bbb bbc bbd bbe bbg bbh bbi bbk bbr bca bcb bcc bcd bce bcg bch bci bck bcr bda bdb bdc bdd bde bdg bdh bdi bdk bdr be- bea beb bec bed bee beg beh bei bek ber bga bgb bgc bgd bge bgg bgh bgi bgk bgr bha bhb bhc bhd bhe bhg bhh bhi bhk bhr bi- bia bib bic bid bie big bih bii bik bir bka bkb bkc bke bkg bkk bkr bra brb brd bre brg brh bri brk brr c-- caa cab cac cad cae cag cah cai cak car cba cbb cbc cbd cbe cbg cbh cbi cbk cbr cca ccb ccc ccd cce ccg cch cci cck ccr cda cdb cdc cdd cde cdg cdh cdi cdk cdr ce- cea ceb cec ced cee ceg ceh cei cek cer cga cgb cgc cgd cge cgg cgh cgi cgr ch- cha chb chc chd che chg chh chi chk chr ci- cia cib cic cid cie cig cih cii cik cir cka ckb ckc ckd ckh cki cra crb crc crd cre crg crh cri crk crr daa dab dac dad dae dag dah dai dak dar dba dbb dbc dbd dbe dbg dbh dbi dbk dbr dca dcb dcc dcd dce dcg dci dck dcr dda ddb ddc ddd dde ddg ddh ddi ddk ddr de- dea deb dec ded dee deg deh dei dek der dga dgc dgd dge dgg dgh dgi dgk dgr dh- dha dhb dhc dhd dhe dhh dhi dhk dhr di- dia dib dic did die dig dih dii dik dir dka dkb dkc dke dkg dki dkk dkr dra drb drc drd dre drg dri drk drr eaa eab eac ead eae eag eah eai eak ear eba ebb ebc ebd ebe ebg ebh ebi ebk ebr ec- eca ecb ecc ecd ece ecg ech eci eck ecr ed- eda edb edc edd ede edg edh edi edk edr eea eeb eec eed eee eeg eek eer ega egb egc egd ege egg egh egi egr eha ehb ehc ehd ehe ehg ehh ehi ehr eia eib eic eid eie eig eii eik eir eka ekb ekc ekd eke ekg ekh eki ekr era erb erc erd ere erg erh eri erk err g-d gaa gab gac gad gae gag gah gai gak gar gba gbc gbd gbe gbg gbh gbi gbk gbr gca gcb gcc gcd gce gcg gch gci gck gcr gda gdb gdc gdd gde gdh gdi gdk gdr ge- gea geb gec ged gee geg geh gei gek ger gga ggb ggc ggd ggg ggh ggi ggr gha ghb ghc ghd ghe ghg ghh ghi ghr gia gib gic gid gie gig gih gii gik gir gka gkb gkd gkh gra grb grc grd gre grg grh gri grk grr h-i haa hab hac had hae hag hah hai hak har hba hbb hbc hbd hbe hbg hbh hbi hbk hbr hca hcb hcc hcd hce hcg hch hci hck hcr hda hdb hdc hdd hde hdg hdh hdi hdk hdr he- hea heb hec hed hee heg heh hei hek her hga hgb hgc hge hgg hgh hgi hgk hgr hha hhb hhc hhd hhe hhg hhh hhi hhk hhr hia hib hic hid hie hig hih hii hik hir hka hkb hkd hkg hkh hki hkk hkr hr- hra hrb hrc hrd hre hrg hrh hri hrk hrr i-d ia- iaa iab iac iad iae iag iah iai iar iba ibb ibc ibd ibe ibg ibh ibi ibk ibr ica icb icc icd ice icg ich ici ick icr ida idb idc idd ide idg idh idi idk idr ie- iea iec ied iee ieg iei iek ier iga igb igc igd ige igg igh igi igk igr iha ihb ihc ihd ihe ihg ihh ihi ihk ihr iia iib iic iid iie iih iii iir ika ikb ikc ike iki ikk ikr ir- ira irb irc ird ire irg iri irk irr ka- kaa kab kac kad kae kag kah kai kak kar kba kbb kbc kbd kbe kbh kbi kbk kbr kca kcb kcc kcd kce kcg kch kci kck kcr kda kdb kdc kde kdg kdh kdk kdr ke- kea keb kec ked kee keg keh kei kek ker kga kgb kgc kgd kgh kgi kha khe khh khi khk khr kia kib kic kid kie kig kih kii kik kir kkb kkc kke kkh kki kkk kkr kra krc krd krg kri krk krr ra- raa rab rac rad rae rag rah rai rak rar rba rbb rbc rbd rbe rbg rbh rbi rbk rbr rca rcb rcc rcd rce rcg rch rci rcr rda rdb rdc rdd rde rdg rdh rdi rdr re- rea reb rec red ree reg reh rei rek rer rga rgb rgc rgd rge rgg rgh rgi rgk rgr rh- rha rhb rhc rhd rhe rhg rhh rhi rhr ria rib ric rid rie rig rih rii rik rir rkb rkc rke rkg rkk rra rrb rrc rrd rrg rrh rri rrk rrr

a-ak 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 aack aacr aada aadc aade aadi aaea aaec