-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aao aar aat ab- aba abb abc abi abn abo abr abt ac- aca acb acc aci acn aco acr act ai- aia aib aic aii ain aio air ait an- ana anb anc ani ann ano anr ant aoa aob aoc aoi aon aoo aor aot ar- ara arb arc ari arn aro arr art at- ata atb atc ati atn ato atr att baa bab bac bai ban bao bar bat bba bbb bbc bbi bbn bbo bbr bbt bca bcb bcc bci bcn bco bcr bct bi- bia bib bic bii bin bio bir bit bna bnb bnc bni bnn bno bnr bnt boa bob boc boi bon boo bor bot bra brb bri brn bro brr brt bta btb btc bti btn bto btr btt c-- caa cab cac cai can cao car cat cba cbb cbc cbi cbn cbo cbr cbt cca ccb ccc cci ccn cco ccr cct ci- cia cib cic cii cin cio cir cit cn- cna cnb cnc cni cnn cno cnr cnt co- coa cob coc coi con coo cor cot cra crb crc cri crn cro crr crt cta ctb ctc cti ctn cto ctr ctt ia- iaa iab iac iai ian iao iar iat iba ibb ibc ibi ibn ibo ibr ibt ica icb icc ici icn ico icr ict iia iib iic iii iin iio iir iit in- ina inb inc ini inn ino inr int io- ioa iob ioc ioi ion ioo ior iot ir- ira irb irc iri irn iro irr irt ita itb itc iti itn ito itt n-i naa nab nac nai nan nao nar nat nba nbb nbc nbi nbn nbo nbr nbt nca ncb ncc nci ncn nco ncr nct nia nib nic nii nin nio nir nit nna nnb nnc nni nnn nno nnt no- noa nob noc noi non noo nor not nra nrb nrc nri nrn nro nrr nrt nta ntb ntc nti ntn nto ntr ntt o-i oaa oab oac oai oan oao oar oat ob- oba obb obc obi obn obo obr obt oc- oca ocb occ oci ocn oco ocr oct oia oib oic oii oin oio oir oit on- ona onb onc oni onn ono onr ont oo- ooa oob ooc ooi oon ooo oor oot or- ora orb orc ori orn oro orr ort ot- ota otb otc oti otn oto otr ott ra- raa rab rac rai ran rao rar rat rba rbb rbc rbi rbn rbo rbr rbt rca rcb rcc rci rcn rco rcr rct ria rib ric rii rin rio rir rit rna rnb rnc rni rnn rno rnr rnt roa rob roc roi ron roo ror rot rra rrb rrc rri rrn rrr rrt rta rtb rtc rti rtn rto rtr rtt taa tab tac tai tan tao tar tat tba tbb tbc tbi tbn tbo tbr tbt tca tcb tcc tci tcn tco tcr tct tia tib tic tii tin tio tir tit tna tnb tnc tni tnn tno tnr tnt to- toa tob toc toi ton too tor tot tra trb trc tri trn tro trr trt tta ttb ttc tti ttn tto ttr ttt

-ana a-ii aaaa aaab aaac aaai aaan aaar aaba aabb aabc aabi aabt aaca aacb aacc aaci aacn aaco aacr aact aaib aaic aaii aain aana aani aaon aaoo aara aarc aari aaro aart aata aatc aatt abaa abab abac abai aban abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcn abcr abct abia abib abic abin abir abit aboa abob abon aboo abor abot abra abrc abri abro abta ac-t acaa acab acac acai acan acar acat acba acca accc acci acco acct aci- acia acic acin acir acoa acon acor acot acr- acra acrc acri acro acrr acta actc acti acto actt aiai aian aiba aibn aibo aica aicc aicr aiia aiib aiic aiin aiir aina ainc aini aino aint aioc aioi aion aira airi airo airt aita aiti aitr aitt ana- anaa anab anac anai anan anao anar anat anba anbb anbi anbo anca ancc anco anct ania anib anic anin anio anir anit anna annb anni anno annt ano- anoa anon anor anrc anri ant- anta anti anto antr antt aoba aoca aonb aono aont aora aorb aorn aort aotc arab arac arai aran arar arat arba arbi arc- arca arci arco arct aria arib arii arin ario arit arna arni arno arnt aroa arob aroi aron aroo aror arr- arra arrc arri arro arrr arrt arta artc arti arto artr at-t ataa atab atac atai atan atar atat atca atcc atco atcr atia atic atin atit atna atno atob atoc atoi aton ator atot atra atrc atri atrn atro atta atti attn atto attr ba-i baaa baan baar baat baba babb babi babo babr bac- baca bacc baci bacn baco bact baia baib baic bain baio bair bait bana banc bani bann bano banr bant baon bar- bara barb barc bari barn baro barr bart bata batc bati batn bato batt bbbb bbci bbin bbrc bcaa bcar bcat bcbc bcca bccc bcci bcia bcit bcor bcra bctc bian biao biar biat biba bibb bibi bibo bica bicc bici bico biin bin- bina binc bini binn bino bint bio- bioc bioi bion biot bira birb biri birn biro birr birt bita bitc bito bitt bnai bnib bnin bnoc bnor bnrr bnta boab boac boai boan boar boat boba bobb bobi bobo boca boco boi- boii boin boit bona bonc boni bonn bono bont boob booc boon boor boot bor- bora bori born boro borr bort bota botb boti botn boto bott brab brac brai bran brao brat brca brcb bria bric brin brio brit brna brno broa brob broc bron broo bror brot brrr brtc btaa btan btcc btob btor btrc btrt bttb c-bo caaa caab caac caan caat caba cabi cabo cac- caca cacc caci caco cacr caia caib caic