-ic a-a a-b a-c a-i a-t aaa aab aac aai aao aap aas aat ab- aba abb abc abi abo abp abs abt ac- aca acb acc aci aco acp acs act ai- aia aib aic aii aio aip ais ait aoa aob aoc aoi aoo aop aos aot ap- apa apb apc api apo app aps apt as- asa asb asc asi aso asp ass ast at- ata atb atc ati ato atp ats att b-p baa bab bac bai bao bap bas bat bba bbb bbc bbi bbo bbp bbs bbt bca bcb bcc bci bco bcp bcs bct bi- bia bib bic bii bio bip bis bit boa bob boc boi boo bop bos bot bpa bpb bpc bpi bpo bpp bps bpt bsa bsb bsc bsi bso bsp bss bst bta btb btc bti bto btp bts btt c-- caa cab cac cai cao cap cas cat cba cbb cbc cbi cbo cbp cbs cbt cca ccb ccc cci cco ccp ccs cct ci- cia cib cic cii cio cip cis cit co- coa cob coc coi coo cop cos cot cpa cpb cpc cpi cpo cpp cps cpt csa csb csc csi cso csp css cst cta ctb ctc cti cto ctp cts ctt ia- iaa iab iac iai iao iap ias iat iba ibb ibc ibi ibo ibp ibs ibt ica icb icc ici ico icp ics ict iia iib iic iii iio iip iis iit io- ioa iob ioc ioi ioo iop ios iot ipa ipb ipc ipi ipo ipp ips ipt is- isa isb isc isi iso isp iss ist ita itb itc iti ito itp its itt o-i oaa oab oac oai oao oap oas oat ob- oba obb obc obi obo obp obs obt oc- oca ocb occ oci oco ocp ocs oct oia oib oic oii oio oip ois oit oo- ooa oob ooc ooi ooo oop oos oot op- opa opb opc opi opo opp ops opt os- osa osb osc osi oso osp oss ost ot- ota otb otc oti oto otp ots ott p-p paa pab pac pai pao pap pas pat pba pbb pbc pbi pbo pbp pbs pbt pca pcb pcc pci pco pcp pcs pct pia pib pic pii pio pip pis pit poa pob poc poi poo pop pos pot ppa ppb ppc ppi ppo ppp pps ppt ps- psa psb psc psi pso psp pss pst pt- pta ptb ptc pti pto ptp pts ptt saa sab sac sai sao sap sas sat sba sbb sbc sbi sbo sbp sbs sbt sca scb scc sci sco scp scs sct sia sib sic sii sio sip sis sit soa sob soc soi soo sop sos sot spa spb spc spi spo spp sps spt ss- ssa ssb ssc ssi sso ssp sss sst sta stb stc sti sto stp sts stt taa tab tac tai tao tap tas tat tba tbb tbc tbi tbo tbp tbs tbt tca tcb tcc tci tco tcp tcs tct tia tib tic tii tio tip tis tit to- toa tob toc toi too top tos tot tpa tpb tpc tpi tpo tpp tps tpt tsa tsb tsc tsi tso tsp tss tst tta ttb ttc tti tto ttp tts ttt

a-ii aaaa aaab aaac aaai aaap aaas aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aaco aacp aacs aact aaib aaic aaii aais aaoo aapa aapc aapi aapo aaps aapt aasa aasc aasi aass aast aata aatc aatt abaa abab abac abai abap abas abat abb- abba abbb abbi abbo abbs abbt abca abcb abcc abci abcp abcs abct abia abib abic abis abit aboa abob aboo abos abot abpa abpc abpi abpp abps abs- absa absi absp abss abta abts ac-t acaa acab acac acai acap acas acat acba acca accc acci acco accp accs acct aci- acia acic acip acis acoa acop acos acot acpa acpi acps acpt acsa acsc acsi acss acst acta actc acti acto acts actt aiai aias aiba aibo aica aicc aicp aics aiia aiib aiic aioc aioi aipa aipi aips aisa aisb aisi aiso aist aita aiti aits aitt aoba aoca aocs aopo aosp aoss aotc apac apai apao apap apas apat apba apbs apca apcb apcc apco apcs api- apia apic apio apip apis apit apo- apoc apoo apop apos apot appa appc apps appt apsa apsi apso apss apta aptc apti apts aptt asaa asab asac asai asao asap asas asat asba asbo asc- asca ascb ascc asci asco ascp asct asia asic asii asio asip asis asit asob asoc asoi asop asos asot aspa aspc aspi aspo asps aspt assa assc assi asso assp asss asst asta astb astc asti asto astp asts at-t ataa atab atac atai atap atas atat atbs atca atcc atco atcs atia atic atip atis atit atob atoc atoi atop atos atot atsb atsc atsi atst atta atti atto attp atts ba-i baaa baas baat baba babb babi babo babs bac- baca bacc baci baco bacs bact baia baib baic baio bais bait baos bapa bapc bapi bapp baps bapt basa basc basi baso bass bast bata batc bati bato bats batt bbas bbbb bbbs bbci bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bcci bccs bcia bcis bcit bcos bcpp bcps bcsa bcsc bcss bctc bcts biao biap bias biat biba bibb bibi bibo bibs bica bicc bici bico bics biis bio- bioc bioi bios biot bipa bipp bips bis- bisa bisc biso bisp biss bist bita bitc bito bits bitt boab boac boai boas boat boba bobb bobi bobo bobs boca boco bocs boi- boii bois boit boob booc boop boos boot bopa bopp bops bosa bosc bosi boso boss bost bota botb boti boto bots bott bpai bpcp bpot bpsa bpti bsaa bsac bsap bsas bsat bsci bscp bscs bsic bsos bspp bssc bsts btaa btbp btcc btcs btob btps btss bttb c-bo caaa caab caac caap caas caat caba cabi cabo cabs cac- caca