a-a a-b a-i aaa aab aae aah aai aak aao aap aas ab- aba abb abe abh abi abk abo abp abs aea aeb aee aeh aei aek aeo aep aes aha ahb ahe ahh ahi ahk aho ahp ahs ai- aia aib aie aih aii aik aio aip ais aka akb ake akh aki akk ako akp aks aoa aob aoe aoh aoi aok aoo aop aos ap- apa apb ape aph api apk apo app aps as- asa asb ase ash asi ask aso asp ass b-p baa bab bae bah bai bak bao bap bas bba bbb bbe bbh bbi bbk bbo bbp bbs be- bea beb bee beh bei bek beo bep bes bha bhb bhe bhh bhi bhk bho bhp bhs bi- bia bib bie bih bii bik bio bip bis bka bkb bke bkk bko bkp bks boa bob boe boh boi bok boo bop bos bpa bpb bpe bph bpi bpo bpp bps bsa bsb bse bsh bsi bsk bso bsp bss eaa eab eae eah eai eak eao eap eas eba ebb ebe ebh ebi ebk ebo ebp ebs eea eeb eee eek eeo eep ees eha ehb ehe ehh ehi eho ehp ehs eia eib eie eii eik eio eip eis eka ekb eke ekh eki eko ekp eks eo- eoa eob eoe eoh eoi eok eoo eop eos ep- epa epb epe eph epi epo epp eps es- esa esb ese esh esi esk eso esp ess h-i haa hab hae hah hai hak hao hap has hba hbb hbe hbh hbi hbk hbo hbp hbs he- hea heb hee heh hei hek heo hep hes hha hhb hhe hhh hhi hhk hho hhp hhs hia hib hie hih hii hik hio hip his hka hkb hkh hki hkk hko hkp hks hoa hob hoe hoh hoi hok hoo hop hos hpa hpb hpe hph hpi hpk hpo hpp hps hsa hsb hse hsh hsi hsk hsp hss ia- iaa iab iae iah iai iao iap ias iba ibb ibe ibh ibi ibk ibo ibp ibs ie- iea iee iei iek iep ies iha ihb ihe ihh ihi ihk iho ihp ihs iia iib iie iih iii iio iip iis ika ikb ike iki ikk iko iks io- ioa iob ioe ioh ioi ioo iop ios ipa ipb ipe ipi ipo ipp ips is- isa isb ise ish isi isk iso isp iss ka- kaa kab kae kah kai kak kao kap kas kba kbb kbe kbh kbi kbk kbo kbp kbs ke- kea keb kee keh kei kek keo kep kes kha khe khh khi khk kho khs kia kib kie kih kii kik kio kip kis kkb kke kkh kki kkk kkp kks koa kob koe koh koi kok koo kop kos kpa kpe kph kpi kpk kpo kpp kps ksa ksb kse ksh ksi ksk kso ksp kss o-i oaa oab oae oah oai oak oao oap oas ob- oba obb obe obh obi obk obo obp obs oea oeb oee oeh oei oeo oep oes oha ohe ohh ohi oho ohp ohs oia oib oie oii oik oio oip ois oka okb oke oki okk oko okp oks oo- ooa oob ooh ooi ook ooo oop oos op- opa opb ope oph opi opk opo opp ops os- osa osb ose osh osi osk oso osp oss p-p paa pab pae pah pai pak pao pap pas pba pbb pbe pbi pbk pbo pbp pbs pea peb pee peh pei pek peo pep pes pha phb phe phi phk pho php phs pia pib pie pih pii pik pio pip pis pka pkb pke pki pko pkp pks poa pob poe poh poi pok poo pop pos ppa ppb ppe pph ppi ppk ppo ppp pps ps- psa psb pse psh psi psk pso psp pss saa sab sae sah sai sak sao sap sas sba sbb sbe sbh sbi sbk sbo sbp sbs se- sea seb see seh sei sek seo sep ses sh- sha shb she shh shi shk sho shp shs sia sib sie sih sii sik sio sip sis sk- ska skb ske skh ski skk sko skp sks soa sob soe soh soi sok soo sop sos spa spb spe sph spi spk spo spp sps ss- ssa ssb sse ssh ssi ssk sso ssp sss