-er -th a-a a-b a-t aaa aab aad aae aag aah aao aar aat ab- aba abb abd abe abg abh abo abr abt ad- ada adb add ade adg adh ado adr adt aea aeb aed aee aeg aeh aeo aer aet ag- aga agb agd age agg agh ago agr agt aha ahb ahd ahe ahg ahh aho ahr aht aoa aob aod aoe aog aoh aoo aor aot ar- ara arb ard are arg arh aro arr art at- ata atb atd ate atg ath ato atr att baa bab bad bae bag bah bao bar bat bba bbb bbd bbe bbg bbh bbo bbr bbt bda bdb bdd bde bdg bdh bdo bdr bdt be- bea beb bed bee beg beh beo ber bet bga bgb bgd bge bgg bgh bgo bgr bgt bha bhb bhd bhe bhg bhh bho bhr bht boa bob bod boe bog boh boo bor bot bra brb brd bre brg brh bro brr brt bta btb btd bte btg bth bto btr btt daa dab dad dae dag dah dao dar dat dba dbb dbd dbe dbg dbh dbo dbr dbt dda ddb ddd dde ddg ddh ddo ddr ddt de- dea deb ded dee deg deh deo der det dga dgd dge dgg dgh dgr dgt dh- dha dhb dhd dhe dhh dho dhr dht doa dob dod doe dog doh doo dor dot dra drb drd dre drg dro drr drt dta dtb dtd dte dtg dth dto dtr dtt eaa eab ead eae eag eah eao ear eat eba ebb ebd ebe ebg ebh ebo ebr ebt ed- eda edb edd ede edg edh edo edr edt eea eeb eed eee eeg eeo eer eet ega egb egd ege egg egh ego egr egt eha ehb ehd ehe ehg ehh eho ehr eht eo- eoa eob eod eoe eog eoh eoo eor eot era erb erd ere erg erh ero err ert eta etb etd ete etg eth eto etr ett g-d gaa gab gad gae gag gah gao gar gat gba gbd gbe gbg gbh gbo gbr gbt gda gdb gdd gde gdh gdo gdr gdt ge- gea geb ged gee geg geh geo ger get gga ggb ggd ggg ggh ggo ggr ggt gha ghb ghd ghe ghg ghh gho ghr ght goa gob god goe gog goh goo gor got gra grb grd gre grg grh gro grr grt gta gtb gtd gte gtg gth gto gtr gtt haa hab had hae hag hah hao har hat hba hbb hbd hbe hbg hbh hbo hbr hbt hda hdb hdd hde hdg hdh hdo hdr hdt he- hea heb hed hee heg heh heo her het hga hgb hge hgg hgh hgo hgr hgt hha hhb hhd hhe hhg hhh hho hhr hht hoa hob hod hoe hog hoh hoo hor hot hr- hra hrb hrd hre hrg hrh hro hrr hrt hta htb htd hte htg hth hto htr htt oaa oab oad oae oag oah oao oar oat ob- oba obb obd obe obg obh obo obr obt oda odb odd ode odg odh odo odr odt oea oeb oed oee oeg oeh oeo oer oet oga ogd oge ogg ogh ogo ogt oha ohd ohe ohg ohh oho ohr oht oo- ooa oob ood oog ooh ooo oor oot or- ora orb ord ore org orh oro orr ort ot- ota otb otd ote otg oth oto otr ott ra- raa rab rad rae rag rah rao rar rat rba rbb rbd rbe rbg rbh rbo rbr rbt rda rdb rdd rde rdg rdh rdo rdr rdt re- rea reb red ree reg reh reo rer ret rga rgb rgd rge rgg rgh rgo rgr rgt rh- rha rhb rhd rhe rhg rhh rho rhr rht roa rob rod roe rog roh roo ror rot rra rrb rrd rrg rrh rrr rrt rta rtb rtd rte rtg rto rtr rtt taa tab tad tae tag tah tao tar tat tba tbb tbd tbe tbg tbh tbo tbr tbt tda tdb tdd tde tdg tdh tdo tdr tdt te- tea teb ted tee teg teh teo ter tet tga tgb tge tgg tgh tgo tgr tgt th- tha thb thd the thg thh tho thr tht to- toa tob tod toe tog toh too tor tot tra trb trd tre trg trh tro trr trt tta ttb ttd tte ttg tth tto ttr ttt