-er -th a-a a-b a-i a-t aaa aab aad aae aah aai aak aao aar aat ab- aba abb abd abe abh abi abk abo abr abt ad- ada adb add ade adh adi adk ado adr adt aea aeb aed aee aeh aei aek aeo aer aet aha ahb ahd ahe ahh ahi ahk aho ahr aht ai- aia aib aid aie aih aii aik aio air ait aka akb akd ake akh aki akk ako akr aoa aob aod aoe aoh aoi aok aoo aor aot ar- ara arb ard are arh ari ark aro arr art at- ata atb atd ate ath ati ato atr att baa bab bad bae bah bai bak bao bar bat bba bbb bbd bbe bbh bbi bbk bbo bbr bbt bda bdb bdd bde bdh bdi bdk bdo bdr bdt be- bea beb bed bee beh bei bek beo ber bet bha bhb bhd bhe bhh bhi bhk bho bhr bht bi- bia bib bid bie bih bii bik bio bir bit bka bkb bke bkk bko bkr bkt boa bob bod boe boh boi bok boo bor bot bra brb brd bre brh bri brk bro brr brt bta btb btd bte bth bti btk bto btr btt daa dab dad dae dah dai dak dao dar dat dba dbb dbd dbe dbh dbi dbk dbo dbr dbt dda ddb ddd dde ddh ddi ddk ddo ddr ddt de- dea deb ded dee deh dei dek deo der det dh- dha dhb dhd dhe dhh dhi dhk dho dhr dht di- dia dib did die dih dii dik dio dir dit dka dkb dke dki dkk dko dkr dkt doa dob dod doe doh doi dok doo dor dot dra drb drd dre dri drk dro drr drt dta dtb dtd dte dth dti dtk dto dtr dtt eaa eab ead eae eah eai eak eao ear eat eba ebb ebd ebe ebh ebi ebk ebo ebr ebt ed- eda edb edd ede edh edi edk edo edr edt eea eeb eed eee eek eeo eer eet eha ehb ehd ehe ehh ehi eho ehr eht eia eib eid eie eii eik eio eir eit eka ekb ekd eke ekh eki eko ekr ekt eo- eoa eob eod eoe eoh eoi eok eoo eor eot era erb erd ere erh eri erk ero err ert eta etb etd ete eth eti etk eto etr ett h-i haa hab had hae hah hai hak hao har hat hba hbb hbd hbe hbh hbi hbk hbo hbr hbt hda hdb hdd hde hdh hdi hdk hdo hdr hdt he- hea heb hed hee heh hei hek heo her het hha hhb hhd hhe hhh hhi hhk hho hhr hht hia hib hid hie hih hii hik hio hir hit hka hkb hkd hkh hki hkk hko hkr hkt hoa hob hod hoe hoh hoi hok hoo hor hot hr- hra hrb hrd hre hrh hri hrk hro hrr hrt hta htb htd hte hth hti htk hto htr htt i-d ia- iaa iab iad iae iah iai iao iar iat iba ibb ibd ibe ibh ibi ibk ibo ibr ibt ida idb idd ide idh idi idk ido idr idt ie- iea ied iee iei iek ier iet iha ihb ihd ihe ihh ihi ihk iho ihr iht iia iib iid iie iih iii iio iir iit ika ikb ike iki ikk iko ikr ikt io- ioa iob iod ioe ioh ioi ioo ior iot ir- ira irb ird ire iri irk iro irr irt ita itb itd ite ith iti itk ito itt k-t ka- kaa kab kad kae kah kai kak kao kar kat kba kbb kbd kbe kbh kbi kbk kbo kbr kda kdb kde kdh kdk kdo kdr kdt ke- kea keb ked kee keh kei kek keo ker ket kha khe khh khi khk kho khr kia kib kid kie kih kii kik kio kir kit kkb kke kkh kki kkk kkr kkt koa kob kod koe koh koi kok koo kor kot kra krd kri krk kro krr krt kta ktb kte kth ktk kto ktr ktt o-i oaa oab oad oae oah oai oak oao oar oat ob- oba obb obd obe obh obi obk obo obr obt oda odb odd ode odh odi odo odr odt oea oeb oed oee oeh oei oeo oer oet oha ohd ohe ohh ohi oho ohr oht oia oib oid oie oii oik oio oir oit oka okb okd oke oki okk oko okr oo- ooa oob ood ooh ooi ook ooo oor oot or- ora orb ord ore orh ori ork oro orr ort ot- ota otb otd ote oth oti otk oto otr ott ra- raa rab rad rae rah rai rak rao rar rat rba rbb rbd rbe rbh rbi rbk rbo rbr rbt rda rdb rdd rde rdh rdi rdo rdr rdt re- rea reb red ree reh rei rek reo rer ret rh- rha rhb rhd rhe rhh rhi rho rhr rht ria rib rid rie rih rii rik rio rir rit rkb rke rkk rko rkt roa rob rod roe roh roi rok roo ror rot rra rrb rrd rrh rri rrk rrr rrt rta rtb rtd rte rti rtk rto rtr rtt taa tab tad tae tah tai tak tao tar tat tba tbb tbd tbe tbh tbi tbk tbo tbr tbt tda tdb tdd tde tdh tdi tdk tdo tdr tdt te- tea teb ted tee teh tei tek teo ter tet th- tha thb thd the thh thi thk tho thr tht tia tib tid tie tih tii tik tio tir tit tka tkb tke tkk tko tkr tkt to- toa tob tod toe toh toi tok too tor tot tra trb trd tre trh tri trk tro trr trt tta ttb ttd tte tth tti ttk tto ttr ttt

a-ak a-be a-do a-ha a-ii a-ok aaaa aaab aaad aaae aaah aaai aaar aaba aabb aabd aabh aabi aabt