-al -er -ic -ol a-a a-b a-c a-i aaa aab aac aae aai aal aao aap aar ab- aba abb abc abe abi abl abo abp abr ac- aca acb acc ace aci acl aco acp acr aea aeb aec aee aei ael aeo aep aer ai- aia aib aic aie aii ail aio aip air al- ala alb alc ale ali all alo alp alr aoa aob aoc aoe aoi aol aoo aop aor ap- apa apb apc ape api apl apo app apr ar- ara arb arc are ari arl aro arp arr b-p baa bab bac bae bai bal bao bap bar bba bbb bbc bbe bbi bbl bbo bbp bbr bca bcb bcc bce bci bcl bco bcp bcr be- bea beb bec bee bei bel beo bep ber bi- bia bib bic bie bii bil bio bip bir bla blb blc ble bli bll blo blp blr boa bob boc boe boi bol boo bop bor bpa bpb bpc bpe bpi bpl bpo bpp bpr bra brb bre bri brl bro brp brr c-- caa cab cac cae cai cal cao cap car cba cbb cbc cbe cbi cbl cbo cbp cbr cca ccb ccc cce cci ccl cco ccp ccr ce- cea ceb cec cee cei cel ceo cep cer ci- cia cib cic cie cii cil cio cip cir cl- cla clb clc cle cli cll clo clp clr co- coa cob coc coe coi col coo cop cor cpa cpb cpc cpe cpi cpl cpo cpp cpr cra crb crc cre cri crl cro crp crr eaa eab eac eae eai eal eao eap ear eba ebb ebc ebe ebi ebl ebo ebp ebr ec- eca ecb ecc ece eci ecl eco ecr eea eeb eec eee eel eeo eep eer eia eib eic eie eii eil eio eip eir ela elb elc ele eli ell elo elp elr eo- eoa eob eoc eoe eoi eol eoo eop eor ep- epa epb epc epe epi epl epo epp epr era erb erc ere eri erl ero erp err ia- iaa iab iac iae iai ial iao iap iar iba ibb ibc ibe ibi ibl ibo ibp ibr ica icb icc ice ici icl ico icp icr ie- iea iec iee iei iel iep ier iia iib iic iie iii iil iio iip iir il- ila ilb ilc ile ili ill ilo ilp ilr io- ioa iob ioc ioe ioi iol ioo iop ior ipa ipb ipc ipe ipi ipl ipo ipp ipr ir- ira irb irc ire iri irl iro irp irr l-p la- laa lab lac lae lai lal lao lap lar lba lbb lbc lbe lbi lbl lbo lbp lbr lca lcb lcc lce lci lcl lco lcp lcr lea leb lec lee lei lel leo lep ler lia lib lic lie lii lil lio lip lir lla llb llc lle lli lll llo llp llr loa lob loc loe loi lol loo lop lor lpa lpb lpc lpe lpi lpl lpo lpp lpr lra lrb lrc lri lro lrp lrr o-i oaa oab oac oae oai oal oao oap oar ob- oba obb obc obe obi obl obo obp obr oc- oca ocb occ oci ocl oco ocp ocr oea oeb oec oee oei oel oeo oep oer oia oib oic oie oii oil oio oip oir ola olb olc ole oli oll olo olp oo- ooa oob ooc ooi ool ooo oop oor op- opa opb opc ope opi opl opo opp opr or- ora orb orc ore ori orl oro orp orr p-p paa pab pac pae pai pal pao pap par pba pbb pbc pbe pbi pbl pbo pbp pbr pca pcb pcc pce pci pcl pco pcp pcr pea peb pec pee pei pel peo pep per pia pib pic pie pii pil pio pip pir pla plb plc ple pli pll plo plp plr poa pob poc poe poi pol poo pop por ppa ppb ppc ppe ppi ppl ppo ppp ppr pra prb prc pre pri prl pro prp prr ra- raa rab rac rae rai ral rao rap rar rba rbb rbc rbe rbi rbl rbo rbp rbr rca rcb rcc rce rci rcl rco rcp rcr re- rea reb rec ree rei rel reo rep rer ria rib ric rie rii ril rio rip rir rla rlc rle rli rll rlo rlp rlr roa rob roc roe roi rol roo rop ror rpa rpb rpc rpe rpi rpl rpo rpp rpr rra rrb rrc rri rrl rrp rrr

a-be a-ii aaaa aaab aaac aaae aaai aaal aaap aaar aaba aabb aabc aabi aabl aabp aaca aacb aacc aace aaci aacl aaco aacp aacr aaea aaec aaep aaib aaic aaii aala aalc aale aali aall aalo aaoe aaoo aapa aapc aapi aapl aapo aara aarc aare aari aaro aarp abaa abab abac abae abai abal abap abar abb- abba abbb abbe abbi abbo abbr abca abcb abcc abci abcl abcp abcr abec abee abel aber abia abib abic abie abil abir abla able ablo aboa abob abol aboo abor abpa abpc abpi abpp abpr abra abrc abri abro acaa acab acac acae acai acap acar acba acbl acca accc acce acci acco accp ace- acea acec acel acer aci- acia acic acie acip acir acla aclc acle acli aclr acoa acoe acol acop acor acpa acpe acpi acpr acr- acra acrc acre acri acro acrr aeac aeap aebi aecb aeci aecl aeer aeio aela aelc aelp aer- aera aerc aeri aero aiai aiba aibl aibo aica aicc aice aicp aicr aiea aiee aiel aiia aiib aiic aiir aila aile aili aioc aioi aipa aipe aipi aira aire airi airo airp al-p alaa alac alae alai alal alao alap alar alb- alba albc albe albi albo alca alcc alce alco alea alec alee aleo alep aler ali- alia alib alie alii alil alio alip alir all- alla alle alli alll allo allr aloa aloc aloe aloi alol aloo alop alor alpa alpe alpi