-al -er -ic a-a a-b a-c a-i aaa aab aac aae aai aal aar aav ab- aba abb abc abe abi abl abr abv ac- aca acb acc ace aci acl acr acv aea aeb aec aee aei ael aer aev ai- aia aib aic aie aii ail air aiv al- ala alb alc ale ali all alr alv ar- ara arb arc are ari arl arr arv av- ava avb avc ave avi avl avr baa bab bac bae bai bal bar bav bba bbb bbc bbe bbi bbl bbr bca bcb bcc bce bci bcl bcr bcv be- bea beb bec bee bei bel ber bev bi- bia bib bic bie bii bil bir biv bla blb blc ble bli bll blr blv bra brb bre bri brl brr brv bva bvb bvc bve bvi bvl bvr bvv c-- caa cab cac cae cai cal car cav cba cbb cbc cbe cbi cbl cbr cbv cca ccb ccc cce cci ccl ccr ccv ce- cea ceb cec cee cei cel cer cev ci- cia cib cic cie cii cil cir civ cl- cla clb clc cle cli cll clr clv cra crb crc cre cri crl crr crv cva cvb cvc cve cvi cvl cvr cvv eaa eab eac eae eai eal ear eav eba ebb ebc ebe ebi ebl ebr ebv ec- eca ecb ecc ece eci ecl ecr ecv eea eeb eec eee eel eer eev eia eib eic eie eii eil eir eiv ela elb elc ele eli ell elr elv era erb erc ere eri erl err erv eva evb evc eve evi evl evr evv i-v ia- iaa iab iac iae iai ial iar iav iba ibb ibc ibe ibi ibl ibr ibv ica icb icc ice ici icl icr icv ie- iea iec iee iei iel ier iev iia iib iic iie iii iil iir il- ila ilb ilc ile ili ill ilr ilv ir- ira irb irc ire iri irl irr irv iva ivb ivc ive ivi ivl ivr ivv la- laa lab lac lae lai lal lar lav lba lbb lbc lbe lbi lbl lbr lbv lca lcb lcc lce lci lcl lcr lcv lea leb lec lee lei lel ler lev lia lib lic lie lii lil lir liv lla llb llc lle lli lll llr llv lra lrb lrc lri lrr lrv lva lvb lvc lve lvi lvl lvr lvv ra- raa rab rac rae rai ral rar rav rba rbb rbc rbe rbi rbl rbr rca rcb rcc rce rci rcl rcr rcv re- rea reb rec ree rei rel rer rev ria rib ric rie rii ril rir riv rla rlc rle rli rll rlr rra rrb rrc rri rrl rrr rva rvb rvc rve rvi rvl rvr rvv v-a v-e vaa vab vac vae vai val var vav vba vbc vbi vbl vbr vbv vca vcc vce vci vcl vcr vea veb vec vee vei vel ver vi- via vib vic vie vii vil vir viv vl- vla vlb vlc vle vll vlv vra vrb vrc vre vri vrr vva vvb vvc vvi vvr vvv