-al -er -ic -up a-a a-b a-c a-i aaa aab aac aae aai aal aap aar aas aau aav ab- aba abb abc abe abi abl abp abr abs abu abv ac- aca acb acc ace aci acl acp acr acs acu acv aea aeb aec aee aei ael aep aer aes aeu aev ai- aia aib aic aie aii ail aip air ais aiu aiv al- ala alb alc ale ali all alp alr als alu alv ap- apa apb apc ape api apl app apr aps apu apv ar- ara arb arc are ari arl arp arr ars aru arv as- asa asb asc ase asi asl asp asr ass asu asv au- aua aub auc aue aui aul aup aur aus auv av- ava avb avc ave avi avl avp avr avs avu b-p b-u baa bab bac bae bai bal bap bar bas bau bav bba bbb bbc bbe bbi bbl bbp bbr bbs bbu bca bcb bcc bce bci bcl bcp bcr bcs bcu bcv be- bea beb bec bee bei bel bep ber bes beu bev bi- bia bib bic bie bii bil bip bir bis biu biv bla blb blc ble bli bll blp blr bls blu blv bpa bpb bpc bpe bpi bpl bpp bpr bps bpu bpv bra brb bre bri brl brp brr brs bru brv bsa bsb bsc bse bsi bsl bsp bsr bss bsu bsv bua bub buc bue bui bul bup bur bus buu bva bvb bvc bve bvi bvl bvp bvr bvs bvu bvv c-- caa cab cac cae cai cal cap car cas cau cav cba cbb cbc cbe cbi cbl cbp cbr cbs cbu cbv cca ccb ccc cce cci ccl ccp ccr ccs ccu ccv ce- cea ceb cec cee cei cel cep cer ces ceu cev ci- cia cib cic cie cii cil cip cir cis ciu civ cl- cla clb clc cle cli cll clp clr cls clu clv cpa cpb cpc cpe cpi cpl cpp cpr cps cpu cpv cra crb crc cre cri crl crp crr crs cru crv csa csb csc cse csi csl csp csr css csu csv cua cub cuc cue cui cul cup cur cus cuu cuv cva cvb cvc cve cvi cvl cvp cvr cvs cvu cvv eaa eab eac eae eai eal eap ear eas eau eav eba ebb ebc ebe ebi ebl ebp ebr ebs ebu ebv ec- eca ecb ecc ece eci ecl ecr ecs ecu ecv eea eeb eec eee eel eep eer ees eev eia eib eic eie eii eil eip eir eis eiu eiv ela elb elc ele eli ell elp elr els elu elv ep- epa epb epc epe epi epl epp epr eps epu era erb erc ere eri erl erp err ers eru erv es- esa esb esc ese esi esl esp esr ess esu esv eu- eua eub euc eue eui eul eup eur eus euv eva evb evc eve evi evl evp evr evs evv i-v ia- iaa iab iac iae iai ial iap iar ias iau iav iba ibb ibc ibe ibi ibl ibp ibr ibs ibu ibv ica icb icc ice ici icl icp icr ics icu icv ie- iea iec iee iei iel iep ier ies iev iia iib iic iie iii iil iip iir iis iiu il- ila ilb ilc ile ili ill ilp ilr ils ilu ilv ipa ipb ipc ipe ipi ipl ipp ipr ips ipu ipv ir- ira irb irc ire iri irl irp irr irs iru irv is- isa isb isc ise isi isl isp isr iss isu isv iu- iua iub iuc iue iui iup iur ius iva ivb ivc ive ivi ivl ivp ivr ivs ivu ivv l-p la- laa lab lac lae lai lal lap lar las lau lav lba lbb lbc lbe lbi lbl lbp lbr lbs lbu lbv lca lcb lcc lce lci lcl lcp lcr lcs lcu lcv lea leb lec lee lei lel lep ler les leu lev lia lib lic lie lii lil lip lir lis liu liv lla llb llc lle lli lll llp llr lls llu llv lpa lpb lpc lpe lpi lpl lpp lpr lps lpu lpv lra lrb lrc lri lrp lrr lrs lru lrv lsa lsb lsc lse lsi lsl lsp lsr lss lsu lsv lua lub luc lue lui lul lup lur lus luu luv lva lvb lvc lve lvi lvl lvp lvr lvs lvv p-p paa pab pac pae pai pal pap par pas pau pav pba pbb pbc pbe pbi pbl pbp pbr pbs pbu pca pcb pcc pce pci pcl pcp pcr pcs pcu pcv pea peb pec pee pei pel pep per pes peu pev pia pib pic pie pii pil pip pir pis piu piv pla plb plc ple pli pll plp plr pls plu plv ppa ppb ppc ppe ppi ppl ppp ppr pps ppu ppv pra prb prc pre pri prl prp prr prs pru prv ps- psa psb psc pse psi psl psp psr pss psu psv pua pub puc pue pui pul pup pur pus puu pva pvb pvc pve pvi pvl pvp pvr pvs pvu pvv ra- raa rab rac rae rai ral rap rar ras rau rav rba rbb rbc rbe rbi rbl rbp rbr rbs rbu rca rcb rcc rce rci rcl rcp rcr rcs rcu rcv re- rea reb rec ree rei rel rep rer res reu rev ria rib ric rie rii ril rip rir ris riv rla rlc rle rli rll rlp rlr rls rlu rpa rpb rpc rpe rpi rpl rpp rpr rps rpu rpv rra rrb rrc rri rrl rrp rrr rrs rru rsa rsb rsc rse rsi rsl rsp rsr rss rsu rsv rua rub ruc rue rui rup rur rus ruu ruv rva rvb rvc rve rvi rvl rvp rvr rvs rvu rvv saa sab sac sae sai sal sap sar sas sau sav sba sbb sbc sbe sbi sbl sbp sbr