-er -ic a-a a-b a-c a-i aaa aab aac aad aae aag aah aai aao aap aar ab- aba abb abc abd abe abg abh abi abo abp abr ac- aca acb acc acd ace acg ach aci aco acp acr ad- ada adb adc add ade adg adh adi ado adp adr aea aeb aec aed aee aeg aeh aei aeo aep aer ag- aga agb agc agd age agg agh agi ago agp agr aha ahb ahc ahd ahe ahg ahh ahi aho ahp ahr ai- aia aib aic aid aie aig aih aii aio aip air aoa aob aoc aod aoe aog aoh aoi aoo aop aor ap- apa apb apc apd ape apg aph api apo app apr ar- ara arb arc ard are arg arh ari aro arp arr b-p baa bab bac bad bae bag bah bai bao bap bar bba bbb bbc bbd bbe bbg bbh bbi bbo bbp bbr bca bcb bcc bcd bce bcg bch bci bco bcp bcr bda bdb bdc bdd bde bdg bdh bdi bdo bdp bdr be- bea beb bec bed bee beg beh bei beo bep ber bga bgb bgc bgd bge bgg bgh bgi bgo bgp bgr bha bhb bhc bhd bhe bhg bhh bhi bho bhp bhr bi- bia bib bic bid bie big bih bii bio bip bir boa bob boc bod boe bog boh boi boo bop bor bpa bpb bpc bpd bpe bpg bph bpi bpo bpp bpr bra brb brd bre brg brh bri bro brp brr c-- caa cab cac cad cae cag cah cai cao cap car cba cbb cbc cbd cbe cbg cbh cbi cbo cbp cbr cca ccb ccc ccd cce ccg cch cci cco ccp ccr cda cdb cdc cdd cde cdg cdh cdi cdo cdp cdr ce- cea ceb cec ced cee ceg ceh cei ceo cep cer cga cgb cgc cgd cge cgg cgh cgi cgo cgp cgr ch- cha chb chc chd che chg chh chi cho chp chr ci- cia cib cic cid cie cig cih cii cio cip cir co- coa cob coc cod coe cog coh coi coo cop cor cpa cpb cpc cpd cpe cpg cph cpi cpo cpp cpr cra crb crc crd cre crg crh cri cro crp crr daa dab dac dad dae dag dah dai dao dap dar dba dbb dbc dbd dbe dbg dbh dbi dbo dbp dbr dca dcb dcc dcd dce dcg dci dco dcp dcr dda ddb ddc ddd dde ddg ddh ddi ddo ddp ddr de- dea deb dec ded dee deg deh dei deo dep der dga dgc dgd dge dgg dgh dgi dgp dgr dh- dha dhb dhc dhd dhe dhh dhi dho dhp dhr di- dia dib dic did die dig dih dii dio dip dir doa dob doc dod doe dog doh doi doo dop dor dpa dpb dpc dpd dpe dpg dph dpi dpo dpp dpr dra drb drc drd dre drg dri dro drp drr eaa eab eac ead eae eag eah eai eao eap ear eba ebb ebc ebd ebe ebg ebh ebi ebo ebp ebr ec- eca ecb ecc ecd ece ecg ech eci eco ecr ed- eda edb edc edd ede edg edh edi edo edp edr eea eeb eec eed eee eeg eeo eep eer ega egb egc egd ege egg egh egi ego egp egr eha ehb ehc ehd ehe ehg ehh ehi eho ehp ehr eia eib eic eid eie eig eii eio eip eir eo- eoa eob eoc eod eoe eog eoh eoi eoo eop eor ep- epa epb epc epd epe epg eph epi epo epp epr era erb erc erd ere erg erh eri ero erp err g-d g-p gaa gab gac gad gae gag gah gai gao gap gar gba gbc gbd gbe gbg gbh gbi gbo gbp gbr gca gcb gcc gcd gce gcg gch gci gco gcp gcr gda gdb gdc gdd gde gdh gdi gdo gdp gdr ge- gea geb gec ged gee geg geh gei geo gep ger gga ggb ggc ggd ggg ggh ggi ggo ggp ggr gha ghb ghc ghd ghe ghg ghh ghi gho ghp ghr gia gib gic gid gie gig gih gii gio gip gir goa gob goc god goe gog goh goi goo gop gor gpa gpb gpc gpd gpe gpg gph gpi gpo gpp gpr gra grb grc grd gre grg grh gri gro grp grr h-i haa hab hac had hae hag hah hai hao hap har hba hbb hbc hbd hbe hbg hbh hbi hbo hbp hbr hca hcb hcc hcd hce hcg hch hci hco hcp hcr hda hdb hdc hdd hde hdg hdh hdi hdo hdp hdr he- hea heb hec hed hee heg heh hei heo hep her hga hgb hgc hge hgg hgh hgi hgo hgp hgr hha hhb hhc hhd hhe hhg hhh hhi hho hhp hhr hia hib hic hid hie hig hih hii hio hip hir hoa hob hoc hod hoe hog hoh hoi hoo hop hor hpa hpb hpc hpd hpe hpg hph hpi hpo hpp hpr hr- hra hrb hrc hrd hre hrg hrh hri hro hrp hrr i-d ia- iaa iab iac iad iae iag iah iai iao iap iar iba ibb ibc ibd ibe ibg ibh ibi ibo ibp ibr ica icb icc icd ice icg ich ici ico icp icr ida idb idc idd ide idg idh idi ido idp idr ie- iea iec ied iee ieg iei iep ier iga igb igc igd ige igg igh igi igo igp igr iha ihb ihc ihd ihe ihg ihh ihi iho ihp ihr iia iib iic iid iie iih iii iio iip iir io- ioa iob ioc iod ioe iog ioh ioi ioo iop ior ipa ipb ipc ipd ipe ipg ipi ipo ipp ipr ir- ira irb irc ird ire irg iri iro irp irr o-i oaa oab oac oad oae oag oah oai oao oap oar ob-