-ana a-ha aaaa aaab aaac aaah aaan aaap aaba aabb aabc aabh aabp aaca aacb aacc aach aacn aacp aaha aana aanp aapa aapc aaph abaa abab abac aban abap abb- abba abbb abca abcb abcc abch abcn abcp abha abpa abpc abpn abpp acaa acab acac acan acap acba acca accc acch accp acha achh achp acpa ahab ahac ahah ahha ana- anaa anab anac anah anan anap anba anbb anca ancc anha anna annb anp- anpa anpp apac apah apan apap apba apca apcb apcc apcn aph- apha aphc apna appa appc apph baaa baah baan baba babb bac- baca bacc bach bacn baha bahn bana banc banh bann banp bapa bapc bapp bbbb bbch bcaa bcap bcbc bcbp bcca bccc bcpp bhan bhca bhcc bnpp bpcp bphc caaa caab caac caah caan caap caba cac- caca cacc cach caha cahn cana canc canh cann canp capa capb capc caph capn capp cbac cbbc cbca cbcc cbcn cbcp cbha cbna cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccbn ccca cccb cccc cccp ccha cchp ccna ccnb ccnc ccnp ccpa ccpn ccpp chaa chab chac chah chan chap chbp chca chch chcp chha chnb chnc chpa chpp cnaa cnac cnap cnbc cnbp cncp cnna cnpa cpaa cpac cpan cpap cpbc cpca cpha cpnb cppa haab haan haba haha hahn hana hanc hann hapa happ hcap hcbc hcca hccb hccc hcch hcpc hhaa hhhh hhpa hhpc hnna hpac hpcc hpna naaa naab naac naan naba nabc naca nacc nach nacp naha nan- nana nanb nann nanp napa napb napp nbaa nbap nbbc nbca nbcc nbpa nbpp ncaa ncac ncap ncba ncbc ncca nccc nccn nccp ncha nchc ncna ncnc ncpa ncpc nhcc nhnn nnnn npac npap npca npcc nppa nppc paan paap paba paca pach paha pahp pan- pana panc panh pann papa papb papp pbac pban pbcc pbpa pcaa pcap pcba pcbc pcca pccc pcha pchp pcpb pcpn pcpp phah phan phcc phpa pnac pnca pnpp ppac ppan ppap ppcc pppa pppn pppp