-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aar aav ab- aba abb abc abd abe abi abr abv ac- aca acb acc acd ace aci acr acv ad- ada adb adc add ade adi adr adv aea aeb aec aed aee aei aer aev ai- aia aib aic aid aie aii air aiv ar- ara arb arc ard are ari arr arv av- ava avb avc avd ave avi avr baa bab bac bad bae bai bar bav bba bbb bbc bbd bbe bbi bbr bca bcb bcc bcd bce bci bcr bcv bda bdb bdc bdd bde bdi bdr bdv be- bea beb bec bed bee bei ber bev bi- bia bib bic bid bie bii bir biv bra brb brd bre bri brr brv bva bvb bvc bvd bve bvi bvr bvv c-- caa cab cac cad cae cai car cav cba cbb cbc cbd cbe cbi cbr cbv cca ccb ccc ccd cce cci ccr ccv cda cdb cdc cdd cde cdi cdr cdv ce- cea ceb cec ced cee cei cer cev ci- cia cib cic cid cie cii cir civ cra crb crc crd cre cri crr crv cva cvb cvc cvd cve cvi cvr cvv daa dab dac dad dae dai dar dav dba dbb dbc dbd dbe dbi dbr dbv dca dcb dcc dcd dce dci dcr dcv dda ddb ddc ddd dde ddi ddr de- dea deb dec ded dee dei der dev di- dia dib dic did die dii dir div dra drb drc drd dre dri drr drv dva dvb dvc dvd dve dvi dvr eaa eab eac ead eae eai ear eav eba ebb ebc ebd ebe ebi ebr ebv ec- eca ecb ecc ecd ece eci ecr ecv ed- eda edb edc edd ede edi edr eea eeb eec eed eee eer eev eia eib eic eid eie eii eir eiv era erb erc erd ere eri err erv eva evb evc evd eve evi evr evv i-d i-v ia- iaa iab iac iad iae iai iar iav iba ibb ibc ibd ibe ibi ibr ibv ica icb icc icd ice ici icr icv ida idb idc idd ide idi idr idv ie- iea iec ied iee iei ier iev iia iib iic iid iie iii iir ir- ira irb irc ird ire iri irr irv iva ivb ivc ivd ive ivi ivr ivv ra- raa rab rac rad rae rai rar rav rba rbb rbc rbd rbe rbi rbr rca rcb rcc rcd rce rci rcr rcv rda rdb rdc rdd rde rdi rdr rdv re- rea reb rec red ree rei rer rev ria rib ric rid rie rii rir riv rra rrb rrc rrd rri rrr rva rvb rvc rvd rve rvi rvr rvv v-a v-e vaa vab vac vad vae vai var vav vba vbc vbd vbi vbr vbv vca vcc vcd vce vci vcr vdb vdc vdd vde vdi vdr vdv vea veb vec ved vee vei ver vi- via vib vic vid vie vii vir viv vra vrb vrc vrd vre vri vrr vva vvb vvc vvi vvr vvv