-er -ic -th a-a a-b a-c a-i a-t aaa aab aac aad aae aah aai aak aar aat ab- aba abb abc abd abe abh abi abk abr abt ac- aca acb acc acd ace ach aci ack acr act ad- ada adb adc add ade adh adi adk adr adt aea aeb aec aed aee aeh aei aek aer aet aha ahb ahc ahd ahe ahh ahi ahk ahr aht ai- aia aib aic aid aie aih aii aik air ait aka akb akc akd ake akh aki akk akr ar- ara arb arc ard are arh ari ark arr art at- ata atb atc atd ate ath ati atr att baa bab bac bad bae bah bai bak bar bat bba bbb bbc bbd bbe bbh bbi bbk bbr bbt bca bcb bcc bcd bce bch bci bck bcr bct bda bdb bdc bdd bde bdh bdi bdk bdr bdt be- bea beb bec bed bee beh bei bek ber bet bha bhb bhc bhd bhe bhh bhi bhk bhr bht bi- bia bib bic bid bie bih bii bik bir bit bka bkb bkc bke bkk bkr bkt bra brb brd bre brh bri brk brr brt bta btb btc btd bte bth bti btk btr btt c-- caa cab cac cad cae cah cai cak car cat cba cbb cbc cbd cbe cbh cbi cbk cbr cbt cca ccb ccc ccd cce cch cci cck ccr cct cda cdb cdc cdd cde cdh cdi cdk cdr cdt ce- cea ceb cec ced cee ceh cei cek cer cet ch- cha chb chc chd che chh chi chk chr cht ci- cia cib cic cid cie cih cii cik cir cit cka ckb ckc ckd ckh cki ckt cra crb crc crd cre crh cri crk crr crt cta ctb ctc ctd cte cth cti ctk ctr ctt daa dab dac dad dae dah dai dak dar dat dba dbb dbc dbd dbe dbh dbi dbk dbr dbt dca dcb dcc dcd dce dci dck dcr dct dda ddb ddc ddd dde ddh ddi ddk ddr ddt de- dea deb dec ded dee deh dei dek der det dh- dha dhb dhc dhd dhe dhh dhi dhk dhr dht di- dia dib dic did die dih dii dik dir dit dka dkb dkc dke dki dkk dkr dkt dra drb drc drd dre dri drk drr drt dta dtb dtc dtd dte dth dti dtk dtr dtt eaa eab eac ead eae eah eai eak ear eat eba ebb ebc ebd ebe ebh ebi ebk ebr ebt ec- eca ecb ecc ecd ece ech eci eck ecr ect ed- eda edb edc edd ede edh edi edk edr edt eea eeb eec eed eee eek eer eet eha ehb ehc ehd ehe ehh ehi ehr eht eia eib eic eid eie eii eik eir eit eka ekb ekc ekd eke ekh eki ekr ekt era erb erc erd ere erh eri erk err ert eta etb etc etd ete eth eti etk etr ett h-i haa hab hac had hae hah hai hak har hat hba hbb hbc hbd hbe hbh hbi hbk hbr hbt hca hcb hcc hcd hce hch hci hck hcr hct hda hdb hdc hdd hde hdh hdi hdk hdr hdt he- hea heb hec hed hee heh hei hek her het hha hhb hhc hhd hhe hhh hhi hhk hhr hht hia hib hic hid hie hih hii hik hir hit hka hkb hkd hkh hki hkk hkr hkt hr- hra hrb hrc hrd hre hrh hri hrk hrr hrt hta htb htc htd hte hth hti htk htr htt i-d ia- iaa iab iac iad iae iah iai iar iat iba ibb ibc ibd ibe ibh ibi ibk ibr ibt ica icb icc icd ice ich ici ick icr ict ida idb idc idd ide idh idi idk idr idt ie- iea iec ied iee iei iek ier iet iha ihb ihc ihd ihe ihh ihi ihk ihr iht iia iib iic iid iie iih iii iir iit ika ikb ikc ike iki ikk ikr ikt ir- ira irb irc ird ire iri irk irr irt ita itb itc itd ite ith iti itk itt k-t ka- kaa kab kac kad kae kah kai kak kar kat kba kbb kbc kbd kbe kbh kbi kbk kbr kca kcb kcc kcd kce kch kci kck kcr kct kda kdb kdc kde kdh kdk kdr kdt ke- kea keb kec ked kee keh kei kek ker ket kha khe khh khi khk khr kia kib kic kid kie kih kii kik kir kit kkb kkc kke kkh kki kkk kkr kkt kra krc krd kri krk krr krt kta ktb ktc kte kth ktk ktr ktt ra- raa rab rac rad rae rah rai rak rar rat rba rbb rbc rbd rbe rbh rbi rbk rbr rbt rca rcb rcc rcd rce rch rci rcr rct rda rdb rdc rdd rde rdh rdi rdr rdt re- rea reb rec red ree reh rei rek rer ret rh- rha rhb rhc rhd rhe rhh rhi rhr rht ria rib ric rid rie rih rii rik rir rit rkb rkc rke rkk rkt rra rrb rrc rrd rrh rri rrk rrr rrt rta rtb rtc rtd rte rti rtk rtr rtt taa tab tac tad tae tah tai tak tar tat tba tbb tbc tbd tbe tbh tbi tbk tbr tbt tca tcb tcc tcd tce tch tci tck tcr tct tda tdb tdc tdd tde tdh tdi tdk tdr tdt te- tea teb tec ted tee teh tei tek ter tet th- tha thb thc thd the thh thi thk thr tht tia tib tic tid tie tih tii tik tir tit tka tkb tkc tke tkk tkr tkt tra trb trc trd tre trh tri trk trr trt tta ttb ttc ttd tte tth tti ttk ttr ttt

a-ak a-be a-ha a-ii aaaa aaab aaac aaad aaae aaah aaai aaar aaba aabb aabc