-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aan aao aat ab- aba abb abc abf abi abn abo abt ac- aca acb acc acf aci acn aco act af- afa afb afc aff afi afn afo aft ai- aia aib aic aif aii ain aio ait an- ana anb anc anf ani ann ano ant aoa aob aoc aof aoi aon aoo aot at- ata atb atc atf ati atn ato att baa bab bac baf bai ban bao bat bba bbb bbc bbf bbi bbn bbo bbt bca bcb bcc bcf bci bcn bco bct bfa bfb bfc bff bfi bfn bfo bft bi- bia bib bic bif bii bin bio bit bna bnb bnc bnf bni bnn bno bnt boa bob boc bof boi bon boo bot bta btb btc btf bti btn bto btt c-- caa cab cac caf cai can cao cat cba cbb cbc cbf cbi cbn cbo cbt cca ccb ccc ccf cci ccn cco cct cfa cfb cfc cff cfi cfn cfo cft ci- cia cib cic cif cii cin cio cit cn- cna cnb cnc cnf cni cnn cno cnt co- coa cob coc cof coi con coo cot cta ctb ctc ctf cti ctn cto ctt faa fab fac faf fai fan fao fat fba fbb fbc fbf fbi fbn fbo fbt fca fcb fcc fcf fci fcn fco fct ffa ffc fff ffi ffn ffo fft fia fib fic fif fii fin fit fna fnb fnc fnf fni fnn fnt foa fob foc fof foi fon foo fot fta ftb ftc ftf fti ftn fto ftt i-f ia- iaa iab iac iaf iai ian iao iat iba ibb ibc ibf ibi ibn ibo ibt ica icb icc icf ici icn ico ict ifa ifb ifc iff ifi ifn ifo ift iia iib iic iif iii iin iio iit in- ina inb inc inf ini inn ino int io- ioa iob ioc iof ioi ion ioo iot ita itb itc itf iti itn ito itt n-i naa nab nac naf nai nan nao nat nba nbb nbc nbf nbi nbn nbo nbt nca ncb ncc ncf nci ncn nco nct nfa nfb nfc nff nfi nfn nfo nft nia nib nic nif nii nin nio nit nna nnb nnc nnf nni nnn nno nnt no- noa nob noc nof noi non noo not nta ntb ntc ntf nti ntn nto ntt o-i oaa oab oac oaf oai oan oao oat ob- oba obb obc obf obi obn obo obt oc- oca ocb occ ocf oci ocn oco oct of- ofa ofb ofc off ofi ofn ofo oft oia oib oic oif oii oin oio oit on- ona onb onc onf oni onn ono ont oo- ooa oob ooc oof ooi oon ooo oot ot- ota otb otc otf oti otn oto ott taa tab tac taf tai tan tao tat tba tbb tbc tbf tbi tbn tbo tbt tca tcb tcc tcf tci tcn tco tct tfa tfb tfc tff tfi tfn tfo tft tia tib tic tif tii tin tio tit tna tnb tnc tnf tni tnn tno tnt to- toa tob toc tof toi ton too tot tta ttb ttc ttf tti ttn tto ttt

-ana a-ii aaaa aaab aaac aaaf aaai aaan aaba aabb aabc aabi aabt aaca aacb aacc aacf aaci aacn aaco aact aafa aafb aafc aaff aafi aaib aaic aaii aain aana aani aaon aaoo aata aatc aatf aatt abaa abab abac abaf abai aban abat abb- abba abbb abbi abbo abbt abca abcb abcc abcf abci abcn abct abff abia abib abic abin abit aboa abob abof abon aboo abot abta ac-t acaa acab acac acai acan acat acba acca accc accf acci acco acct acfc acfi acft aci- acia acic acif acin acoa acon acot acta actc actf acti acto actt afaa afan afao afat afca afcb afcc afci affa affc affi affo afft afia afib afif afin afit afoa afoo afta aftc aftn aiai aian aiba aibn aibo aica aicc aicf aiff aiia aiib aiic aiin aina ainc aini aino aint aioc aioi aion aita aitf aiti aitt ana- anaa anab anac anai anan anao anat anba anbb anbi anbo anca ancc anco anct anfa anfo ania anib anic anif anin anio anit anna annb anni anno annt ano- anoa anon ant- anta anti anto antt aoba aoca aonb aono aont aotc aotf at-t ataa atab atac atai atan atat atca atcc atcf atco atfb atfc atia atic atif atin atit atna atno atob atoc atof atoi aton atot atta atti attn atto ba-i baaa baaf baan baat baba babb babi babo bac- baca bacc baci bacn baco bact bafc baff bafo baft baia baib baic bain baio bait bana banc bani bann bano bant baon bata batc batf bati batn bato batt bbbb bbci bbfc bbfn bbin bcaa bcat bcbc bcca bccc bcci bcfc bcia bcit bcof bctc bfca bfta bftt biaf bian biao biat biba bibb bibi bibo bica bicc bici bico bifa biff bifi biin bin- bina binc bini binn bino bint bio- bioc bioi bion biot bita bitc bito bitt bnai bnib bnin bnoc bnta boab boac boai boan boat boba bobb bobi bobo boca boco bofa boff boi- boii boin boit bona bonc boni bonn bono bont boob booc boof boon boot bota botb boti botn boto bott btaa btaf btan btcc btfc btob bttb c-bo caaa caab caac caaf caan caat caba cabf cabi cabo cac- caca cacc caci caco cafa cafb cafc caff caia caib caic cain caio cait cana canc cani cann cano cant caoi cat- cata catb catc catf cati cato catt cbac cbat cbbc cbca cbcc cbcn cbct cbfb cbfc cbia cbit cbna cbot cbta cbtc cbtf ccaa ccab ccac ccaf ccai ccat ccba ccbc ccbn ccca cccb cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccna ccnb ccnc ccnf ccni ccob ccoc cctb cctc cctt cfaa cfab cfac cfao cfbc cfbn cfbt cfca cfcb cfcf cfcn