-al -ic -ol a-a a-b a-c a-i a-t aaa aab aac aaf aai aal aao aar aat ab- aba abb abc abf abi abl abo abr abt ac- aca acb acc acf aci acl aco acr act af- afa afb afc aff afi afl afo afr aft ai- aia aib aic aif aii ail aio air ait al- ala alb alc alf ali all alo alr alt aoa aob aoc aof aoi aol aoo aor aot ar- ara arb arc arf ari arl aro arr art at- ata atb atc atf ati atl ato atr att baa bab bac baf bai bal bao bar bat bba bbb bbc bbf bbi bbl bbo bbr bbt bca bcb bcc bcf bci bcl bco bcr bct bfa bfb bfc bff bfi bfl bfo bfr bft bi- bia bib bic bif bii bil bio bir bit bla blb blc blf bli bll blo blr blt boa bob boc bof boi bol boo bor bot bra brb brf bri brl bro brr brt bta btb btc btf bti btl bto btr btt c-- caa cab cac caf cai cal cao car cat cba cbb cbc cbf cbi cbl cbo cbr cbt cca ccb ccc ccf cci ccl cco ccr cct cfa cfb cfc cff cfi cfl cfo cfr cft ci- cia cib cic cif cii cil cio cir cit cl- cla clb clc clf cli cll clo clr clt co- coa cob coc cof coi col coo cor cot cra crb crc crf cri crl cro crr crt cta ctb ctc ctf cti ctl cto ctr ctt faa fab fac faf fai fal fao far fat fba fbb fbc fbf fbi fbl fbo fbr fbt fca fcb fcc fcf fci fcl fco fcr fct ffa ffc fff ffi ffl ffo ffr fft fia fib fic fif fii fil fir fit fla flb flc flf fli fll flo flr flt foa fob foc fof foi fol foo for fot fra frb frc frf fri frl fro frr frt fta ftb ftc ftf fti ftl fto ftr ftt i-f ia- iaa iab iac iaf iai ial iao iar iat iba ibb ibc ibf ibi ibl ibo ibr ibt ica icb icc icf ici icl ico icr ict ifa ifb ifc iff ifi ifl ifo ifr ift iia iib iic iif iii iil iio iir iit il- ila ilb ilc ilf ili ill ilo ilr ilt io- ioa iob ioc iof ioi iol ioo ior iot ir- ira irb irc irf iri irl iro irr irt ita itb itc itf iti itl ito itt la- laa lab lac laf lai lal lao lar lat lba lbb lbc lbf lbi lbl lbo lbr lbt lca lcb lcc lcf lci lcl lco lcr lct lfa lfb lfc lff lfi lfl lfo lfr lft lia lib lic lif lii lil lio lir lit lla llb llc llf lli lll llo llr llt loa lob loc lof loi lol loo lor lot lra lrb lrc lrf lri lro lrr lrt lta ltb ltc ltf lti ltl lto ltr ltt o-i oaa oab oac oaf oai oal oao oar oat ob- oba obb obc obf obi obl obo obr obt oc- oca ocb occ ocf oci ocl oco ocr oct of- ofa ofb ofc off ofi ofl ofo ofr oft oia oib oic oif oii oil oio oir oit ola olb olc olf oli oll olo olt oo- ooa oob ooc oof ooi ool ooo oor oot or- ora orb orc orf ori orl oro orr ort ot- ota otb otc otf oti otl oto otr ott ra- raa rab rac raf rai ral rao rar rat rba rbb rbc rbf rbi rbl rbo rbr rbt rca rcb rcc rcf rci rcl rco rcr rct rfa rfb rfc rff rfi rfl rfo rfr rft ria rib ric rif rii ril rio rir rit rla rlc rlf rli rll rlo rlr rlt roa rob roc rof roi rol roo ror rot rra rrb rrc rrf rri rrl rrr rrt rta rtb rtc rtf rti rtl rto rtr rtt taa tab tac taf tai tal tao tar tat tba tbb tbc tbf tbi tbl tbo tbr tbt tca tcb tcc tcf tci tcl tco tcr tct tfa tfb tfc tff tfi tfl tfo tfr tft tia tib tic tif tii til tio tir tit tla tlc tlf tli tll tlo tlr tlt to- toa tob toc tof toi tol too tor tot tra trb trc trf tri trl tro trr trt tta ttb ttc ttf tti ttl tto ttr ttt

a-ii aaaa aaab aaac aaaf aaai aaal aaar aaba aabb aabc aabi aabl aabt aaca aacb aacc aacf aaci aacl aaco aacr aact aafa aafb aafc aaff aafi aafl aaib aaic aaii aala aalc aali aall aalo aaoo aara aarc aari aaro aart aata aatc aatf aatt abaa abab abac abaf abai abal abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abcf abci abcl abcr abct abff abia abib abic abil abir abit abla ablo aboa abob abof abol aboo abor abot abra abrc abri abro abta ac-t acaa acab acac acai acar acat acba acbl acca accc accf acci acco acct acfc acfi acfl acft aci- acia acic acif acir acla aclc acli aclr acoa acol acor acot acr- acra acrc acri acro acrr acta actc actf acti actl acto actt afaa afao afar afat afca afcb afcc afci affa affc affi affo afft afia afib afif afil afir afit afla aflc afoa afol afoo afor afr- afra afrc afri afro afta aftc aiai aiba aibl aibo aica aicc aicf aicr aiff aifl aiia aiib aiic aiir aila aili aioc aioi aira airi airo airt aita aitf aiti aitr aitt alaa alac alai alal alao alar alat alb- alba albc albi albo alca alcc alco alfa alfi ali- alia alib alif alii alil alio alir alit all- alla alli alll allo allr aloa aloc alof aloi alol aloo alor alot alro alta alti alto aoba aoca aola aora aorb aort