-er -th a-a a-b a-t aaa aab aad aae aah aak aao aap aar aat ab- aba abb abd abe abh abk abo abp abr abt ad- ada adb add ade adh adk ado adp adr adt aea aeb aed aee aeh aek aeo aep aer aet aha ahb ahd ahe ahh ahk aho ahp ahr aht aka akb akd ake akh akk ako akp akr aoa aob aod aoe aoh aok aoo aop aor aot ap- apa apb apd ape aph apk apo app apr apt ar- ara arb ard are arh ark aro arp arr art at- ata atb atd ate ath ato atp atr att b-p baa bab bad bae bah bak bao bap bar bat bba bbb bbd bbe bbh bbk bbo bbp bbr bbt bda bdb bdd bde bdh bdk bdo bdp bdr bdt be- bea beb bed bee beh bek beo bep ber bet bha bhb bhd bhe bhh bhk bho bhp bhr bht bka bkb bke bkk bko bkp bkr bkt boa bob bod boe boh bok boo bop bor bot bpa bpb bpd bpe bph bpo bpp bpr bpt bra brb brd bre brh brk bro brp brr brt bta btb btd bte bth btk bto btp btr btt daa dab dad dae dah dak dao dap dar dat dba dbb dbd dbe dbh dbk dbo dbp dbr dbt dda ddb ddd dde ddh ddk ddo ddp ddr ddt de- dea deb ded dee deh dek deo dep der det dh- dha dhb dhd dhe dhh dhk dho dhp dhr dht dka dkb dke dkk dko dkp dkr dkt doa dob dod doe doh dok doo dop dor dot dpa dpb dpd dpe dph dpk dpo dpp dpr dpt dra drb drd dre drk dro drp drr drt dta dtb dtd dte dth dtk dto dtp dtr dtt eaa eab ead eae eah eak eao eap ear eat eba ebb ebd ebe ebh ebk ebo ebp ebr ebt ed- eda edb edd ede edh edk edo edp edr edt eea eeb eed eee eek eeo eep eer eet eha ehb ehd ehe ehh eho ehp ehr eht eka ekb ekd eke ekh eko ekp ekr ekt eo- eoa eob eod eoe eoh eok eoo eop eor eot ep- epa epb epd epe eph epo epp epr ept era erb erd ere erh erk ero erp err ert eta etb etd ete eth etk eto etp etr ett haa hab had hae hah hak hao hap har hat hba hbb hbd hbe hbh hbk hbo hbp hbr hbt hda hdb hdd hde hdh hdk hdo hdp hdr hdt he- hea heb hed hee heh hek heo hep her het hha hhb hhd hhe hhh hhk hho hhp hhr hht hka hkb hkd hkh hkk hko hkp hkr hkt hoa hob hod hoe hoh hok hoo hop hor hot hpa hpb hpd hpe hph hpk hpo hpp hpr hpt hr- hra hrb hrd hre hrh hrk hro hrp hrr hrt hta htb htd hte hth htk hto htp htr htt k-t ka- kaa kab kad kae kah kak kao kap kar kat kba kbb kbd kbe kbh kbk kbo kbp kbr kda kdb kde kdh kdk kdo kdp kdr kdt ke- kea keb ked kee keh kek keo kep ker ket kha khe khh khk kho khr kkb kke kkh kkk kkp kkr kkt koa kob kod koe koh kok koo kop kor kot kpa kpd kpe kph kpk kpo kpp kpr kpt kra krd krk kro krp krr krt kta ktb kte kth ktk kto ktp ktr ktt oaa oab oad oae oah oak oao oap oar oat ob- oba obb obd obe obh obk obo obp obr obt oda odb odd ode odh odo odp odr odt oea oeb oed oee oeh oeo oep oer oet oha ohd ohe ohh oho ohp ohr oht oka okb okd oke okk oko okp okr oo- ooa oob ood ooh ook ooo oop oor oot op- opa opb opd ope oph opk opo opp opr opt or- ora orb ord ore orh ork oro orp orr ort ot- ota otb otd ote oth otk oto otp otr ott p-p paa pab pad pae pah pak pao pap par pat pba pbb pbd pbe pbk pbo pbp pbr pbt pda pdb pdd pde pdh pdk pdo pdp pdr pdt pea peb ped pee peh pek peo pep per pet pha phb phd phe phk pho php phr pht pka pkb pkd pke pko pkp pkr pkt poa pob pod poe poh pok poo pop por pot ppa ppb ppd ppe pph ppk ppo ppp ppr ppt pra prb prd pre prh prk pro prp prr prt pt- pta ptb ptd pte pth ptk pto ptp ptr ptt ra- raa rab rad rae rah rak rao rap rar rat rba rbb rbd rbe rbh rbk rbo rbp rbr rbt rda rdb rdd rde rdh rdo rdp rdr rdt re- rea reb red ree reh rek reo rep rer ret rh- rha rhb rhd rhe rhh rho rhp rhr rht rkb rke rkk rko rkp rkt roa rob rod roe roh rok roo rop ror rot rpa rpb rpd rpe rph rpk rpo rpp rpr rpt rra rrb rrd rrh rrk rrp rrr rrt rta rtb rtd rte rtk rto rtp rtr rtt taa tab tad tae tah tak tao tap tar tat tba tbb tbd tbe tbh tbk tbo tbp tbr tbt tda tdb tdd tde tdh tdk tdo tdp tdr tdt te- tea teb ted tee teh tek teo tep ter tet th- tha thb thd the thh thk tho thp thr tht tka tkb tke tkk tko tkp tkr tkt to- toa tob tod toe toh tok too top tor tot tpa tpb tpd tpe tph tpk tpo tpp tpr tpt tra trb trd tre trh trk tro trp trr trt tta ttb ttd tte tth ttk tto ttp ttr ttt

a-ak a-be a-do a-ha a-ok aaaa aaab aaad aaae aaah aaap aaar aaba aabb