a-a a-b aaa aab aae aah aak aan aao aap aas ab- aba abb abe abh abk abn abo abp abs aea aeb aee aeh aek aen aeo aep aes aha ahb ahe ahh ahk ahn aho ahp ahs aka akb ake akh akk akn ako akp aks an- ana anb ane anh ank ann ano anp ans aoa aob aoe aoh aok aon aoo aop aos ap- apa apb ape aph apk apn apo app aps as- asa asb ase ash ask asn aso asp ass b-p baa bab bae bah bak ban bao bap bas bba bbb bbe bbh bbk bbn bbo bbp bbs be- bea beb bee beh bek ben beo bep bes bha bhb bhe bhh bhk bho bhp bhs bka bkb bke bkk bkn bko bkp bks bna bnb bne bnk bnn bno bnp bns boa bob boe boh bok bon boo bop bos bpa bpb bpe bph bpn bpo bpp bps bsa bsb bse bsh bsk bsn bso bsp bss eaa eab eae eah eak ean eao eap eas eba ebb ebe ebh ebk ebn ebo ebp ebs eea eeb eee eek een eeo eep ees eha ehb ehe ehh ehn eho ehp ehs eka ekb eke ekh eko ekp eks en- ena enb ene enh enk enn eno enp ens eo- eoa eob eoe eoh eok eon eoo eop eos ep- epa epb epe eph epn epo epp eps es- esa esb ese esh esk esn eso esp ess haa hab hae hah hak han hao hap has hba hbb hbe hbh hbk hbn hbo hbp hbs he- hea heb hee heh hek hen heo hep hes hha hhb hhe hhh hhk hhn hho hhp hhs hka hkb hkh hkk hkn hko hkp hks hna hnb hne hnh hnk hnn hno hns hoa hob hoe hoh hok hon hoo hop hos hpa hpb hpe hph hpk hpn hpo hpp hps hsa hsb hse hsh hsk hsn hsp hss ka- kaa kab kae kah kak kan kao kap kas kba kbb kbe kbh kbk kbn kbo kbp kbs ke- kea keb kee keh kek ken keo kep kes kha khe khh khk khn kho khs kkb kke kkh kkk kkn kkp kks kn- kna kne knk knn kno knp koa kob koe koh kok kon koo kop kos kpa kpe kph kpk kpn kpo kpp kps ksa ksb kse ksh ksk ksn kso ksp kss naa nab nae nah nak nan nao nap nas nba nbb nbe nbk nbn nbo nbp nbs ne- nea neb nee neh nek nen neo nep nes nha nhb nhe nhh nhk nhn nhp nhs nka nke nkk nkn nko nkp nks nna nnb nne nnh nnk nnn nno nnp nns no- noa nob noe noh nok non noo nop nos npa npb npe nph npn npo npp nps nsa nsb nse nsh nsk nsn nso nsp nss oaa oab oae oah oak oan oao oap oas ob- oba obb obe obh obk obn obo obp obs oea oeb oee oeh oen oeo oep oes oha ohe ohh ohn oho ohp ohs oka okb oke okk oko okp oks on- ona onb one onh onk onn ono onp ons oo- ooa oob ooh ook oon ooo oop oos op- opa opb ope oph opk opn opo opp ops os- osa osb ose osh osk osn oso osp oss p-p paa pab pae pah pak pan pao pap pas pba pbb pbe pbk pbn pbo pbp pbs pea peb pee peh pek pen peo pep pes pha phb phe phk phn pho php phs pka pkb pke pkn pko pkp pks pn- pna pnb pne pnh pnk pnn pno pnp pns poa pob poe poh pok pon poo pop pos ppa ppb ppe pph ppk ppn ppo ppp pps ps- psa psb pse psh psk psn pso psp pss saa sab sae sah sak san sao sap sas sba sbb sbe sbh sbk sbn sbo sbp sbs se- sea seb see seh sek sen seo sep ses sh- sha shb she shh shk shn sho shp shs sk- ska skb ske skh skk sko skp sks sna snb sne snk snn sno snp sns soa sob soe soh sok son soo sop sos spa spb spe sph spk spn spo spp sps ss- ssa ssb sse ssh ssk ssn sso ssp sss