-al -er -ic a-a a-b a-c a-i aaa aab aac aae aai aal aap aar aav ab- aba abb abc abe abi abl abp abr abv ac- aca acb acc ace aci acl acp acr acv aea aeb aec aee aei ael aep aer aev ai- aia aib aic aie aii ail aip air aiv al- ala alb alc ale ali all alp alr alv ap- apa apb apc ape api apl app apr apv ar- ara arb arc are ari arl arp arr arv av- ava avb avc ave avi avl avp avr b-p baa bab bac bae bai bal bap bar bav bba bbb bbc bbe bbi bbl bbp bbr bca bcb bcc bce bci bcl bcp bcr bcv be- bea beb bec bee bei bel bep ber bev bi- bia bib bic bie bii bil bip bir biv bla blb blc ble bli bll blp blr blv bpa bpb bpc bpe bpi bpl bpp bpr bpv bra brb bre bri brl brp brr brv bva bvb bvc bve bvi bvl bvp bvr bvv c-- caa cab cac cae cai cal cap car cav cba cbb cbc cbe cbi cbl cbp cbr cbv cca ccb ccc cce cci ccl ccp ccr ccv ce- cea ceb cec cee cei cel cep cer cev ci- cia cib cic cie cii cil cip cir civ cl- cla clb clc cle cli cll clp clr clv cpa cpb cpc cpe cpi cpl cpp cpr cpv cra crb crc cre cri crl crp crr crv cva cvb cvc cve cvi cvl cvp cvr cvv eaa eab eac eae eai eal eap ear eav eba ebb ebc ebe ebi ebl ebp ebr ebv ec- eca ecb ecc ece eci ecl ecr ecv eea eeb eec eee eel eep eer eev eia eib eic eie eii eil eip eir eiv ela elb elc ele eli ell elp elr elv ep- epa epb epc epe epi epl epp epr era erb erc ere eri erl erp err erv eva evb evc eve evi evl evp evr evv i-v ia- iaa iab iac iae iai ial iap iar iav iba ibb ibc ibe ibi ibl ibp ibr ibv ica icb icc ice ici icl icp icr icv ie- iea iec iee iei iel iep ier iev iia iib iic iie iii iil iip iir il- ila ilb ilc ile ili ill ilp ilr ilv ipa ipb ipc ipe ipi ipl ipp ipr ipv ir- ira irb irc ire iri irl irp irr irv iva ivb ivc ive ivi ivl ivp ivr ivv l-p la- laa lab lac lae lai lal lap lar lav lba lbb lbc lbe lbi lbl lbp lbr lbv lca lcb lcc lce lci lcl lcp lcr lcv lea leb lec lee lei lel lep ler lev lia lib lic lie lii lil lip lir liv lla llb llc lle lli lll llp llr llv lpa lpb lpc lpe lpi lpl lpp lpr lpv lra lrb lrc lri lrp lrr lrv lva lvb lvc lve lvi lvl lvp lvr lvv p-p paa pab pac pae pai pal pap par pav pba pbb pbc pbe pbi pbl pbp pbr pca pcb pcc pce pci pcl pcp pcr pcv pea peb pec pee pei pel pep per pev pia pib pic pie pii pil pip pir piv pla plb plc ple pli pll plp plr plv ppa ppb ppc ppe ppi ppl ppp ppr ppv pra prb prc pre pri prl prp prr prv pva pvb pvc pve pvi pvl pvp pvr pvv ra- raa rab rac rae rai ral rap rar rav rba rbb rbc rbe rbi rbl rbp rbr rca rcb rcc rce rci rcl rcp rcr rcv re- rea reb rec ree rei rel rep rer rev ria rib ric rie rii ril rip rir riv rla rlc rle rli rll rlp rlr rpa rpb rpc rpe rpi rpl rpp rpr rpv rra rrb rrc rri rrl rrp rrr rva rvb rvc rve rvi rvl rvp rvr rvv v-a v-e vaa vab vac vae vai val vap var vav vba vbc vbi vbl vbr vbv vca vcc vce vci vcl vcp vcr vea veb vec vee vei vel vep ver vi- via vib vic vie vii vil vip vir viv vl- vla vlb vlc vle vll vlp vlv vpa vpb vpc vpe vpi vpl vpp vpr vra vrb vrc vre vri vrp vrr vva vvb vvc vvi vvr vvv