-er -ic a-a a-b a-c a-i aaa aab aac aad aae aai aak aar aav ab- aba abb abc abd abe abi abk abr abv ac- aca acb acc acd ace aci ack acr acv ad- ada adb adc add ade adi adk adr adv aea aeb aec aed aee aei aek aer aev ai- aia aib aic aid aie aii aik air aiv aka akb akc akd ake aki akk akr akv ar- ara arb arc ard are ari ark arr arv av- ava avb avc avd ave avi avk avr baa bab bac bad bae bai bak bar bav bba bbb bbc bbd bbe bbi bbk bbr bca bcb bcc bcd bce bci bck bcr bcv bda bdb bdc bdd bde bdi bdk bdr bdv be- bea beb bec bed bee bei bek ber bev bi- bia bib bic bid bie bii bik bir biv bka bkb bkc bke bkk bkr bkv bra brb brd bre bri brk brr brv bva bvb bvc bvd bve bvi bvk bvr bvv c-- caa cab cac cad cae cai cak car cav cba cbb cbc cbd cbe cbi cbk cbr cbv cca ccb ccc ccd cce cci cck ccr ccv cda cdb cdc cdd cde cdi cdk cdr cdv ce- cea ceb cec ced cee cei cek cer cev ci- cia cib cic cid cie cii cik cir civ cka ckb ckc ckd cki cra crb crc crd cre cri crk crr crv cva cvb cvc cvd cve cvi cvk cvr cvv daa dab dac dad dae dai dak dar dav dba dbb dbc dbd dbe dbi dbk dbr dbv dca dcb dcc dcd dce dci dck dcr dcv dda ddb ddc ddd dde ddi ddk ddr de- dea deb dec ded dee dei dek der dev di- dia dib dic did die dii dik dir div dka dkb dkc dke dki dkk dkr dra drb drc drd dre dri drk drr drv dva dvb dvc dvd dve dvi dvk dvr eaa eab eac ead eae eai eak ear eav eba ebb ebc ebd ebe ebi ebk ebr ebv ec- eca ecb ecc ecd ece eci eck ecr ecv ed- eda edb edc edd ede edi edk edr eea eeb eec eed eee eek eer eev eia eib eic eid eie eii eik eir eiv eka ekb ekc ekd eke eki ekr ekv era erb erc erd ere eri erk 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 ibk ibr ibv ica icb icc icd ice ici ick icr icv ida idb idc idd ide idi idk idr idv ie- iea iec ied iee iei iek ier iev iia iib iic iid iie iii iir ika ikb ikc ike iki ikk ikr ikv ir- ira irb irc ird ire iri irk irr irv iva ivb ivc ivd ive ivi ivr ivv ka- kaa kab kac kad kae kai kak kar kav kba kbb kbc kbd kbe kbi kbk kbr kca kcb kcc kcd kce kci kck kcr kda kdb kdc kde kdk kdr ke- kea keb kec ked kee kei kek ker kev kia kib kic kid kie kii kik kir kiv kkb kkc kke kki kkk kkr kkv kra krc krd kri krk krr krv kva kvb kvi kvk kvr kvv ra- raa rab rac rad rae rai rak rar rav rba rbb rbc rbd rbe rbi rbk rbr rca rcb rcc rcd rce rci rcr rcv rda rdb rdc rdd rde rdi rdr rdv re- rea reb rec red ree rei rek rer rev ria rib ric rid rie rii rik rir riv rkb rkc rke rkk rkv rra rrb rrc rrd rri rrk rrr rva rvb rvc rvd rve rvi rvr rvv v-a v-e vaa vab vac vad vae vai vak var vav vba vbc vbd vbi vbk vbr vbv vca vcc vcd vce vci vcr vdb vdc vdd vde vdi vdk vdr vdv vea veb vec ved vee vei vek ver vi- via vib vic vid vie vii vik vir viv vka vkb vra vrb vrc vrd vre vri vrk vrr vva vvb vvc vvi vvr vvv

-vac a-ak a-be a-ii a-iv aaaa aaab aaac aaad aaae aaai aaar aaav aaba aabb aabc aabd aabi aaca aacb aacc aacd aace aaci aack aacr aacv aada aadc aade aadi aaea aaec aaev aaib aaic aaii aaka aake aara aarc aard aare aari aava abaa abab abac abad abae abai abak abar abb- abba abbb abbe abbi abbr abca abcb abcc abcd abci abcr abda abdi abec abed abee aber abia abib abic abid abie abir abra abrc abri abva abvd acaa acab acac acad acae acai acar acba acca accc accd acce acci acda acdb acdc acde acdi ace- acea acec aced acek acer acev aci- acia acic acid acie acir ackd acke acr- acra acrc acre acri acrr acrv acvv adaa adab adac adad adae adai adak adar adba adbc adbi adcc adci adda addc addd adde addi addr adea adeb adee ader adia adib adic adie adik adir adki adra adre advb advi aeac aebi aecb aeci aede aeer aeka aer- aera aerc aerd aeri aeva aiai aiba aica aicc aicd aice aicr aida aidb aidc aide aidi aidr aiea aiee aiia aiib aiic aiid aiir aika aike aiki aira aird aire airi aiva aivd akaa akae akai akar akca aked akee aker akia akid akie akik akir akka akki akr- akra akre arab arac arad arae arai arak arar arba arbe arbi arc- arca arce arci arda ardc arde ardi area arec ared aree arei arek arev aria arib arid arie arii arik arka arke arki arr- arra arrc arre arri arrk arrr arva arve arvi avab avar avcc avce avda avdi avea avec aver avia avic avid avie avik aviv avra avre avri avva ba-i baaa baad baak baar baba babb babe babi babr bac- baca bacc bace baci back bada badb badd bade badi