-al -er -ic -ol a-a a-b a-c a-i aaa aab aac aae aai aal aam aao aar ab- aba abb abc abe abi abl abm abo abr ac- aca acb acc ace aci acl acm aco acr aea aeb aec aee aei ael aem aeo aer ai- aia aib aic aie aii ail aim aio air al- ala alb alc ale ali all alm alo alr ama amb amc ame ami aml amm amo amr aoa aob aoc aoe aoi aol aom aoo aor ar- ara arb arc are ari arl arm aro arr baa bab bac bae bai bal bam bao bar bba bbb bbc bbe bbi bbl bbm bbo bbr bca bcb bcc bce bci bcl bcm bco bcr be- bea beb bec bee bei bel bem beo ber bi- bia bib bic bie bii bil bim bio bir bla blb blc ble bli bll blm blo blr bma bmb bmc bme bmi bml bmm bmo bmr boa bob boc boe boi bol bom boo bor bra brb bre bri brl brm bro brr c-- caa cab cac cae cai cal cam cao car cba cbb cbc cbe cbi cbl cbm cbo cbr cca ccb ccc cce cci ccl ccm cco ccr ce- cea ceb cec cee cei cel cem ceo cer ci- cia cib cic cie cii cil cim cio cir cl- cla clb clc cle cli cll clm clo clr cma cmb cmc cme cmi cml cmm cmo cmr co- coa cob coc coe coi col com coo cor cra crb crc cre cri crl crm cro crr eaa eab eac eae eai eal eam eao ear eba ebb ebc ebe ebi ebl ebm ebo ebr ec- eca ecb ecc ece eci ecl ecm eco ecr eea eeb eec eee eel eem eeo eer eia eib eic eie eii eil eim eio eir ela elb elc ele eli ell elm elo elr em- ema emb emc eme emi eml emm emo emr eo- eoa eob eoc eoe eoi eol eom eoo eor era erb erc ere eri erl erm ero err ia- iaa iab iac iae iai ial iam iao iar iba ibb ibc ibe ibi ibl ibm ibo ibr ica icb icc ice ici icl icm ico icr ie- iea iec iee iei iel iem ier iia iib iic iie iii iil iim iio iir il- ila ilb ilc ile ili ill ilm ilo ilr im- ima imb imc ime imi iml imm imo io- ioa iob ioc ioe ioi iol iom ioo ior ir- ira irb irc ire iri irl irm iro irr la- laa lab lac lae lai lal lam lao lar lba lbb lbc lbe lbi lbl lbm lbo lbr lca lcb lcc lce lci lcl lcm lco lcr lea leb lec lee lei lel lem leo ler lia lib lic lie lii lil lim lio lir lla llb llc lle lli lll llm llo llr lma lmb lmc lme lmi lml lmm lmo lmr loa lob loc loe loi lol lom loo lor lra lrb lrc lri lrm lro lrr m-o m-r maa mab mac mae mai mal mam mao mar mba mbb mbc mbe mbi mbl mbm mbo mbr mc- mca mcb mcc mce mci mcl mcm mco mcr mea meb mec mee mei mel mem meo mer mi- mia mib mic mie mii mil mim mio mir mla mlb mlc mle mli mll mlm mlo mlr mma mmb mmc mme mmi mml mmm mmo mmr moa mob moc moe moi mol mom moo mor mra mrb mrc mre mri mrl mrm mro mrr o-i oaa oab oac oae oai oal oam oao oar ob- oba obb obc obe obi obl obm obo obr oc- oca ocb occ oci ocl ocm oco ocr oea oeb oec oee oei oel oem oeo oer oia oib oic oie oii oil oim oio oir ola olb olc ole oli oll olm olo om- oma omb omc ome omi oml omm omo omr oo- ooa oob ooc ooi ool oom ooo oor or- ora orb orc ore ori orl orm oro orr ra- raa rab rac rae rai ral ram rao rar rba rbb rbc rbe rbi rbl rbm rbo rbr rca rcb rcc rce rci rcl rcm rco rcr re- rea reb rec ree rei rel rem reo rer ria rib ric rie rii ril rim rio rir rla rlc rle rli rll rlm rlo rlr rma rmb rmc rme rmi rml rmm rmo rmr roa rob roc roe roi rol rom roo ror rra rrb rrc rri rrl rrm rrr

a-be a-ii aaaa aaab aaac aaae aaai aaal aaam aaar aaba aabb aabc aabi aabl aabm aaca aacb aacc aace aaci aacl aacm aaco aacr aaea aaec aaem aaib aaic aaii aala aalc aale aali aall aalo aama aamb aamc aame aami aamo aamr aaoe aaoo aara aarc aare aari aarm aaro abaa abab abac abae abai abal abam abar abb- abba abbb abbe abbi abbo abbr abca abcb abcc abci abcl abcr abec abee abel aber abia abib abic abie abil abim abir abla able ablo abma abmb abmc aboa abob abol aboo abor abra abrc abri abro acaa acab acac acae acai acar acba acbl acca accc acce acci accm acco ace- acea acec acel acem acer aci- acia acic acie acim acir acla aclc acle acli aclr acma acmc acme acmi acoa acoe acol acom acor acr- acra acrc acre acri acrm acro acrr aeac aebi aecb aeci aecl aeer aeio aela aelc aeom aer- aera aerc aeri aero aiai aiba aibl aibo aica aicc aice aicr aiea aiee aiel aiia aiib aiic aiir aila aile aili ailm aimc aime aimi aiml aimm aimo aioc aioi aira aire airi airo alaa alac alae alai alal alam alao alar alb- alba albc albe albi albm albo alca alcc alce alco alea alec alee alem aleo aler ali- alia alib alie alii alil alim alio alir all- alla alle alli alll allo allr alma almc alme almo aloa aloc aloe aloi