-er -th a-a a-b a-i a-t aaa aab aad aae aah aai aak aar aat ab- aba abb abd abe abh abi abk abr abt ad- ada adb add ade adh adi adk adr adt aea aeb aed aee aeh aei aek aer aet aha ahb ahd ahe ahh ahi ahk ahr aht ai- aia aib aid aie aih aii aik air ait aka akb akd ake akh aki akk akr ar- ara arb ard are arh ari ark arr art at- ata atb atd ate ath ati atr att baa bab bad bae bah bai bak bar bat bba bbb bbd bbe bbh bbi bbk bbr bbt bda bdb bdd bde bdh bdi bdk bdr bdt be- bea beb bed bee beh bei bek ber bet bha bhb bhd bhe bhh bhi bhk bhr bht bi- bia bib bid bie bih bii bik bir bit bka bkb bke bkk bkr bkt bra brb brd bre brh bri brk brr brt bta btb btd bte bth bti btk btr btt daa dab dad dae dah dai dak dar dat dba dbb dbd dbe dbh dbi dbk dbr dbt dda ddb ddd dde ddh ddi ddk ddr ddt de- dea deb ded dee deh dei dek der det dh- dha dhb dhd dhe dhh dhi dhk dhr dht di- dia dib did die dih dii dik dir dit dka dkb dke dki dkk dkr dkt dra drb drd dre dri drk drr drt dta dtb dtd dte dth dti dtk dtr dtt eaa eab ead eae eah eai eak ear eat eba ebb ebd ebe ebh ebi ebk ebr ebt ed- eda edb edd ede edh edi edk edr edt eea eeb eed eee eek eer eet eha ehb ehd ehe ehh ehi ehr eht eia eib eid eie eii eik eir eit eka ekb ekd eke ekh eki ekr ekt era erb erd ere erh eri erk err ert eta etb etd ete eth eti etk etr ett h-i haa hab had hae hah hai hak har hat hba hbb hbd hbe hbh hbi hbk hbr hbt hda hdb hdd hde hdh hdi hdk hdr hdt he- hea heb hed hee heh hei hek her het hha hhb hhd hhe hhh hhi hhk hhr hht hia hib hid hie hih hii hik hir hit hka hkb hkd hkh hki hkk hkr hkt hr- hra hrb hrd hre hrh hri hrk hrr hrt hta htb htd hte hth hti htk htr htt i-d ia- iaa iab iad iae iah iai iar iat iba ibb ibd ibe ibh ibi ibk ibr ibt ida idb idd ide idh idi idk idr idt ie- iea ied iee iei iek ier iet iha ihb ihd ihe ihh ihi ihk ihr iht iia iib iid iie iih iii iir iit ika ikb ike iki ikk ikr ikt ir- ira irb ird ire iri irk irr irt ita itb itd ite ith iti itk itt k-t ka- kaa kab kad kae kah kai kak kar kat kba kbb kbd kbe kbh kbi kbk kbr kda kdb kde kdh kdk kdr kdt ke- kea keb ked kee keh kei kek ker ket kha khe khh khi khk khr kia kib kid kie kih kii kik kir kit kkb kke kkh kki kkk kkr kkt kra krd kri krk krr krt kta ktb kte kth ktk ktr ktt ra- raa rab rad rae rah rai rak rar rat rba rbb rbd rbe rbh rbi rbk rbr rbt rda rdb rdd rde rdh rdi rdr rdt re- rea reb red ree reh rei rek rer ret rh- rha rhb rhd rhe rhh rhi rhr rht ria rib rid rie rih rii rik rir rit rkb rke rkk rkt rra rrb rrd rrh rri rrk rrr rrt rta rtb rtd rte rti rtk rtr rtt taa tab tad tae tah tai tak tar tat tba tbb tbd tbe tbh tbi tbk tbr tbt tda tdb tdd tde tdh tdi tdk tdr tdt te- tea teb ted tee teh tei tek ter tet th- tha thb thd the thh thi thk thr tht tia tib tid tie tih tii tik tir tit tka tkb tke tkk tkr tkt tra trb trd tre trh tri trk trr trt tta ttb ttd tte tth tti ttk ttr ttt