-er a-a a-b aaa aab aad aae aag aah aan aao aap aar ab- aba abb abd abe abg abh abn abo abp abr ad- ada adb add ade adg adh adn ado adp adr aea aeb aed aee aeg aeh aen aeo aep aer ag- aga agb agd age agg agh agn ago agp agr aha ahb ahd ahe ahg ahh ahn aho ahp ahr an- ana anb and ane ang anh ann ano anp anr aoa aob aod aoe aog aoh aon aoo aop aor ap- apa apb apd ape apg aph apn apo app apr ar- ara arb ard are arg arh arn aro arp arr b-p baa bab bad bae bag bah ban bao bap bar bba bbb bbd bbe bbg bbh bbn bbo bbp bbr bda bdb bdd bde bdg bdh bdo bdp bdr be- bea beb bed bee beg beh ben beo bep ber bga bgb bgd bge bgg bgh bgn bgo bgp bgr bha bhb bhd bhe bhg bhh bho bhp bhr bna bnb bnd bne bng bnn bno bnp bnr boa bob bod boe bog boh bon boo bop bor bpa bpb bpd bpe bpg bph bpn bpo bpp bpr bra brb brd bre brg brh brn bro brp brr daa dab dad dae dag dah dan dao dap dar dba dbb dbd dbe dbg dbh dbn dbo dbp dbr dda ddb ddd dde ddg ddh ddn ddo ddp ddr de- dea deb ded dee deg deh den deo dep der dga dgd dge dgg dgh dgn dgp dgr dh- dha dhb dhd dhe dhh dho dhp dhr dna dnb dnd dne dng dnh dnn dno dnp dnr doa dob dod doe dog doh don doo dop dor dpa dpb dpd dpe dpg dph dpn dpo dpp dpr dra drb drd dre drg drn dro drp drr eaa eab ead eae eag eah ean eao eap ear eba ebb ebd ebe ebg ebh ebn ebo ebp ebr ed- eda edb edd ede edg edh edn edo edp edr eea eeb eed eee eeg een eeo eep eer ega egb egd ege egg egh egn ego egp egr eha ehb ehd ehe ehg ehh ehn eho ehp ehr en- ena enb end ene eng enh enn eno enp enr eo- eoa eob eod eoe eog eoh eon eoo eop eor ep- epa epb epd epe epg eph epn epo epp epr era erb erd ere erg erh ern ero erp err g-d g-p gaa gab gad gae gag gah gan gao gap gar gba gbd gbe gbg gbh gbn gbo gbp gbr gda gdb gdd gde gdh gdn gdo gdp gdr ge- gea geb ged gee geg geh gen geo gep ger gga ggb ggd ggg ggh ggn ggo ggp ggr gha ghb ghd ghe ghg ghh ghn gho ghp ghr gna gnb gnd gne gnn gno gnp gnr goa gob god goe gog goh gon goo gop gor gpa gpb gpd gpe gpg gph gpn gpo gpp gpr gra grb grd gre grg grh grn gro grp grr haa hab had hae hag hah han hao hap har hba hbb hbd hbe hbg hbh hbn hbo hbp hbr hda hdb hdd hde hdg hdh hdn hdo hdp hdr he- hea heb hed hee heg heh hen heo hep her hga hgb hge hgg hgh hgn hgo hgp hgr hha hhb hhd hhe hhg hhh hhn hho hhp hhr hna hnb hnd hne hng hnh hnn hno hoa hob hod hoe hog hoh hon hoo hop hor hpa hpb hpd hpe hpg hph hpn hpo hpp hpr hr- hra hrb hrd hre hrg hrh hrn hro hrp hrr naa nab nad nae nag nah nan nao nap nar nba nbb nbd nbe nbg nbn nbo nbp nbr nda ndb ndd nde ndg ndh ndn ndo ndp ndr ne- nea neb ned nee neg neh nen neo nep ner nga ngb ngd nge ngg ngh ngn ngo ngp nha nhb nhd nhe nhg nhh nhn nhp nhr nna nnb nne nng nnh nnn nno nnp no- noa nob nod noe nog noh non noo nop nor npa npb npd npe npg nph npn npo npp npr nra nrb nrd nre nrg nrn nro nrp nrr oaa oab oad oae oag oah oan oao oap oar ob- oba obb obd obe obg obh obn obo obp obr oda odb odd ode odg odh odn odo odp odr oea oeb oed oee oeg oeh oen oeo oep oer oga ogd oge ogg ogh ogn ogo ogp oha ohd ohe ohg ohh ohn oho ohp ohr on- ona onb ond one ong onh onn ono onp onr oo- ooa oob ood oog ooh oon ooo oop oor op- opa opb opd ope opg oph opn opo opp opr or- ora orb ord ore org orh orn oro orp orr p-p paa pab pad pae pag pah pan pao pap par pba pbb pbd pbe pbg pbn pbo pbp pbr pda pdb pdd pde pdg pdh pdn pdo pdp pdr pea peb ped pee peg peh pen peo pep per pga pgb pgd pge pgg pgh pgn pgo pgp pgr pha phb phd phe phg phn pho php phr pn- pna pnb pnd pne png pnh pnn pno pnp pnr poa pob pod poe pog poh pon poo pop por ppa ppb ppd ppe ppg pph ppn ppo ppp ppr pra prb prd pre prg prh prn pro prp prr ra- raa rab rad rae rag rah ran rao rap rar rba rbb rbd rbe rbg rbh rbn rbo rbp rbr rda rdb rdd rde rdg rdh rdn rdo rdp rdr re- rea reb red ree reg reh ren reo rep rer rga rgb rgd rge rgg rgh rgn rgo rgp rgr rh- rha rhb rhd rhe rhg rhh rhn rho rhp rhr rna rnb rnd rng rnh rnn rno rnp rnr roa rob rod roe rog roh ron roo rop ror rpa rpb rpd rpe rpg rph rpn rpo rpp rpr rra rrb rrd rrg rrh rrn