-er a-a a-b a-i aaa aab aad aae aag aah aai aao aap aar ab- aba abb abd abe abg abh abi abo abp abr ad- ada adb add ade adg adh adi ado adp adr aea aeb aed aee aeg aeh aei aeo aep aer ag- aga agb agd age agg agh agi ago agp agr aha ahb ahd ahe ahg ahh ahi aho ahp ahr ai- aia aib aid aie aig aih aii aio aip air aoa aob aod aoe aog aoh aoi aoo aop aor ap- apa apb apd ape apg aph api apo app apr ar- ara arb ard are arg arh ari aro arp arr b-p baa bab bad bae bag bah bai bao bap bar bba bbb bbd bbe bbg bbh bbi bbo bbp bbr bda bdb bdd bde bdg bdh bdi bdo bdp bdr be- bea beb bed bee beg beh bei beo bep ber bga bgb bgd bge bgg bgh bgi bgo bgp bgr bha bhb bhd bhe bhg bhh bhi bho bhp bhr bi- bia bib bid bie big bih bii bio bip bir boa bob bod boe bog boh boi boo bop bor bpa bpb bpd bpe bpg bph bpi bpo bpp bpr bra brb brd bre brg brh bri bro brp brr daa dab dad dae dag dah dai dao dap dar dba dbb dbd dbe dbg dbh dbi dbo dbp dbr dda ddb ddd dde ddg ddh ddi ddo ddp ddr de- dea deb ded dee deg deh dei deo dep der dga dgd dge dgg dgh dgi dgp dgr dh- dha dhb dhd dhe dhh dhi dho dhp dhr di- dia dib did die dig dih dii dio dip dir doa dob dod doe dog doh doi doo dop dor dpa dpb dpd dpe dpg dph dpi dpo dpp dpr dra drb drd dre drg dri dro drp drr eaa eab ead eae eag eah eai eao eap ear eba ebb ebd ebe ebg ebh ebi ebo ebp ebr ed- eda edb edd ede edg edh edi edo edp edr eea eeb eed eee eeg eeo eep eer ega egb egd ege egg egh egi ego egp egr eha ehb ehd ehe ehg ehh ehi eho ehp ehr eia eib eid eie eig eii eio eip eir eo- eoa eob eod eoe eog eoh eoi eoo eop eor ep- epa epb epd epe epg eph epi epo epp epr era erb erd ere erg erh eri ero erp err g-d g-p gaa gab gad gae gag gah gai gao gap gar gba gbd gbe gbg gbh gbi gbo gbp gbr gda gdb gdd gde gdh gdi gdo gdp gdr ge- gea geb ged gee geg geh gei geo gep ger gga ggb ggd ggg ggh ggi ggo ggp ggr gha ghb ghd ghe ghg ghh ghi gho ghp ghr gia gib gid gie gig gih gii gio gip gir goa gob god goe gog goh goi goo gop gor gpa gpb gpd gpe gpg gph gpi gpo gpp gpr gra grb grd gre grg grh gri gro grp grr h-i haa hab had hae hag hah hai hao hap har hba hbb hbd hbe hbg hbh hbi hbo hbp hbr hda hdb hdd hde hdg hdh hdi hdo hdp hdr he- hea heb hed hee heg heh hei heo hep her hga hgb hge hgg hgh hgi hgo hgp hgr hha hhb hhd hhe hhg hhh hhi hho hhp hhr hia hib hid hie hig hih hii hio hip hir hoa hob hod hoe hog hoh hoi hoo hop hor hpa hpb hpd hpe hpg hph hpi hpo hpp hpr hr- hra hrb hrd hre hrg hrh hri hro hrp hrr i-d ia- iaa iab iad iae iag iah iai iao iap iar iba ibb ibd ibe ibg ibh ibi ibo ibp ibr ida idb idd ide idg idh idi ido idp idr ie- iea ied iee ieg iei iep ier iga igb igd ige igg igh igi igo igp igr iha ihb ihd ihe ihg ihh ihi iho ihp ihr iia iib iid iie iih iii iio iip iir io- ioa iob iod ioe iog ioh ioi ioo iop ior ipa ipb ipd ipe ipg ipi ipo ipp ipr ir- ira irb ird ire irg iri iro irp irr o-i oaa oab oad oae oag oah oai oao oap oar ob- oba obb obd obe obg obh obi obo obp obr oda odb odd ode odg odh odi odo odp odr oea oeb oed oee oeg oeh oei oeo oep oer oga ogd oge ogg ogh ogi ogo ogp oha ohd ohe ohg ohh ohi oho ohp ohr oia oib oid oie oii oio oip oir oo- ooa oob ood oog ooh ooi ooo oop oor op- opa opb opd ope opg oph opi opo opp opr or- ora orb ord ore org orh ori oro orp orr p-p paa pab pad pae pag pah pai pao pap par pba pbb pbd pbe pbg pbi pbo pbp pbr pda pdb pdd pde pdg pdh pdi pdo pdp pdr pea peb ped pee peg peh pei peo pep per pga pgb pgd pge pgg pgh pgi pgo pgp pgr pha phb phd phe phg phi pho php phr pia pib pid pie pig pih pii pio pip pir poa pob pod poe pog poh poi poo pop por ppa ppb ppd ppe ppg pph ppi ppo ppp ppr pra prb prd pre prg prh pri pro prp prr ra- raa rab rad rae rag rah rai rao rap rar rba rbb rbd rbe rbg rbh rbi rbo rbp rbr rda rdb rdd rde rdg rdh rdi rdo rdp rdr re- rea reb red ree reg reh rei reo rep rer rga rgb rgd rge rgg rgh rgi rgo rgp rgr rh- rha rhb rhd rhe rhg rhh rhi rho rhp rhr ria rib rid rie rig rih rii rio rip rir roa rob rod roe rog roh roi roo rop ror rpa rpb rpd rpe rpg rph