-er -ic a-a a-c a-i aaa aac aad aae aag aai aar aav ac- aca acc acd ace acg aci acr acv ad- ada adc add ade adg adi adr adv aea aec aed aee aeg aei aer aev ag- aga agc agd age agg agi agr agv ai- aia aic aid aie aig aii air aiv ar- ara arc ard are arg ari arr arv av- ava avc avd ave avg avi avr c-- caa cac cad cae cag cai car cav cca ccc ccd cce ccg cci ccr ccv cda cdc cdd cde cdg cdi cdr cdv ce- cea cec ced cee ceg cei cer cev cga cgc cgd cge cgg cgi cgr cgv ci- cia cic cid cie cig cii cir civ cra crc crd cre crg cri crr crv cva cvc cvd cve cvg cvi cvr cvv daa dac dad dae dag dai dar dav dca dcc dcd dce dcg dci dcr dcv dda ddc ddd dde ddg ddi ddr de- dea dec ded dee deg dei der dev dga dgc dgd dge dgg dgi dgr di- dia dic did die dig dii dir div dra drc drd dre drg dri drr drv dva dvc dvd dve dvg dvi dvr eaa eac ead eae eag eai ear eav ec- eca ecc ecd ece ecg eci ecr ecv ed- eda edc edd ede edg edi edr eea eec eed eee eeg eer eev ega egc egd ege egg egi egr eia eic eid eie eig eii eir eiv era erc erd ere erg eri err erv eva evc evd eve evg evi evr evv g-d gaa gac gad gae gag gai gar gav gca gcc gcd gce gcg gci gcr gda gdc gdd gde gdi gdr gdv ge- gea gec ged gee geg gei ger gev gga ggc ggd ggg ggi ggr ggv gia gic gid gie gig gii gir giv gra grc grd gre grg gri grr grv gva gvc gvd gve gvg gvi gvr i-d i-v ia- iaa iac iad iae iag iai iar iav ica icc icd ice icg ici icr icv ida idc idd ide idg idi idr idv ie- iea iec ied iee ieg iei ier iev iga igc igd ige igg igi igr iia iic iid iie iii iir ir- ira irc ird ire irg iri irr irv iva ivc ivd ive ivg ivi ivr ivv ra- raa rac rad rae rag rai rar rav rca rcc rcd rce rcg rci rcr rcv rda rdc rdd rde rdg rdi rdr rdv re- rea rec red ree reg rei rer rev rga rgc rgd rge rgg rgi rgr rgv ria ric rid rie rig rii rir riv rra rrc rrd rrg rri rrr rva rvc rvd rve rvg rvi rvr rvv v-a v-e vaa vac vad vae vag vai var vav vca vcc vcd vce vci vcr vdc vdd vde vdg vdi vdr vdv vea vec ved vee veg vei ver vga vgc vgg vgr vi- via vic vid vie vig vii vir viv vra vrc vrd vre vrg vri vrr vva vvc vvg vvi vvr vvv