-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aao aap aar aat ab- aba abb abc abi abn abo abp abr abt ac- aca acb acc aci acn aco acp acr act ai- aia aib aic aii ain aio aip air ait an- ana anb anc ani ann ano anp anr ant aoa aob aoc aoi aon aoo aop aor aot ap- apa apb apc api apn apo app apr apt ar- ara arb arc ari arn aro arp arr art at- ata atb atc ati atn ato atp atr att b-p baa bab bac bai ban bao bap bar bat bba bbb bbc bbi bbn bbo bbp bbr bbt bca bcb bcc bci bcn bco bcp bcr bct bi- bia bib bic bii bin bio bip bir bit bna bnb bnc bni bnn bno bnp bnr bnt boa bob boc boi bon boo bop bor bot bpa bpb bpc bpi bpn bpo bpp bpr bpt bra brb bri brn bro brp brr brt bta btb btc bti btn bto btp btr btt c-- caa cab cac cai can cao cap car cat cba cbb cbc cbi cbn cbo cbp cbr cbt cca ccb ccc cci ccn cco ccp ccr cct ci- cia cib cic cii cin cio cip cir cit cn- cna cnb cnc cni cnn cno cnp cnr cnt co- coa cob coc coi con coo cop cor cot cpa cpb cpc cpi cpn cpo cpp cpr cpt cra crb crc cri crn cro crp crr crt cta ctb ctc cti ctn cto ctp ctr ctt ia- iaa iab iac iai ian iao iap iar iat iba ibb ibc ibi ibn ibo ibp ibr ibt ica icb icc ici icn ico icp icr ict iia iib iic iii iin iio iip iir iit in- ina inb inc ini inn ino inp inr int io- ioa iob ioc ioi ion ioo iop ior iot ipa ipb ipc ipi ipn ipo ipp ipr ipt ir- ira irb irc iri irn iro irp irr irt ita itb itc iti itn ito itp itt n-i naa nab nac nai nan nao nap nar nat nba nbb nbc nbi nbn nbo nbp nbr nbt nca ncb ncc nci ncn nco ncp ncr nct nia nib nic nii nin nio nip nir nit nna nnb nnc nni nnn nno nnp nnt no- noa nob noc noi non noo nop nor not npa npb npc npi npn npo npp npr npt nra nrb nrc nri nrn nro nrp nrr nrt nta ntb ntc nti ntn nto ntp ntr ntt o-i oaa oab oac oai oan oao oap oar oat ob- oba obb obc obi obn obo obp obr obt oc- oca ocb occ oci ocn oco ocp ocr oct oia oib oic oii oin oio oip oir oit on- ona onb onc oni onn ono onp onr ont oo- ooa oob ooc ooi oon ooo oop oor oot op- opa opb opc opi opn opo opp opr opt or- ora orb orc ori orn oro orp orr ort ot- ota otb otc oti otn oto otp otr ott p-p paa pab pac pai pan pao pap par pat pba pbb pbc pbi pbn pbo pbp pbr pbt pca pcb pcc pci pcn pco pcp pcr pct pia pib pic pii pin pio pip pir pit pn- pna pnb pnc pni pnn pno pnp pnr pnt poa pob poc poi pon poo pop por pot ppa ppb ppc ppi ppn ppo ppp ppr ppt pra prb prc pri prn pro prp prr prt pt- pta ptb ptc pti ptn pto ptp ptr ptt ra- raa rab rac rai ran rao rap rar rat rba rbb rbc rbi rbn rbo rbp rbr rbt rca rcb rcc rci rcn rco rcp rcr rct ria rib ric rii rin rio rip rir rit rna rnb rnc rni rnn rno rnp rnr rnt roa rob roc roi ron roo rop ror rot rpa rpb rpc rpi rpn rpo rpp rpr rpt rra rrb rrc rri rrn rrp rrr rrt rta rtb rtc rti rtn rto rtp rtr rtt taa tab tac tai tan tao tap tar tat tba tbb tbc tbi tbn tbo tbp tbr tbt tca tcb tcc tci tcn tco tcp tcr tct tia tib tic tii tin tio tip tir tit tna tnb tnc tni tnn tno tnp tnr tnt to- toa tob toc toi ton too top tor tot tpa tpb tpc tpi tpn tpo tpp tpr tpt tra trb trc tri trn tro trp trr trt tta ttb ttc tti ttn tto ttp ttr ttt

-ana a-ii aaaa aaab aaac aaai aaan aaap aaar aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aacn aaco aacp aacr aact aaib aaic aaii aain aana aani aanp aaon aaoo aapa aapc aapi aapo aapt aara aarc aari aaro aarp aart aata aatc aatt abaa abab abac abai aban abap abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcn abcp abcr abct abia abib abic abin abir abit aboa abob abon aboo abor abot abpa abpc abpi abpn abpp abpr abra abrc abri abro abta ac-t acaa acab acac acai acan acap acar acat acba acca accc acci acco accp acct aci- acia acic acin acip acir acoa acon acop acor acot acpa acpi acpr acpt acr- acra acrc acri acro acrr acta actc acti acto actt aiai aian aiba aibn aibo aica aicc aicp aicr aiia aiib aiic aiin aiir aina ainc aini aino aint aioc aioi aion aipa aipi aira airi airo airp airt aita aiti aitr aitt ana- anaa anab anac anai anan anao anap anar anat anba anbb anbi anbo anca ancc anco anct ania anib anic anin anio anip anir anit anna annb anni anno annt ano- anoa anon anor anp- anpa anpi anpp anpr anrc anri ant- anta anti anto antr antt aoba aoca aonb aono aont aopo aora aorb aorn aort aotc apac apai apan apao apap apar apat apba apbr apca